How to downgrade my blackberry curve 8520 from version 8.2.0.18 to version 5.1

Good day,
I wipe my phone and want the older version of Blackberry and still i battle to get my facebook and bbm working.
Please help me to downgrading my Blackberry curve 8520 to older version.
I dont want version 8.2.0.18
I battle to get my facebook working and dont like this new version
please,please help me!!!!
regards

Hi and Welcome to the Community!
The simplest way is to, on a PC (you cannot do this on MAC):
1) Make sure you have a current and complete backup of your BB...you can find complete instructions via the link in my auto-sig below.
2) Uninstall, from your PC, any BB OS packages
3) Make sure you have the BB Desktop Software already installed
http://us.blackberry.com/software/desktop.html
4) Download and install, to your PC, the BB OS package you desire:
http://us.blackberry.com/support/downloads/download_sites.jsp
It is sorted first by carrier -- so if all you want are the OS levels your carrier supports, your search will be quick. However, some carriers are much slower than others to release updates. To truly seek out the most up-to-date OS package for your BB, you must dig through and find all carriers that support your specific model BB, and then compare the OS levels that they support.
5) Delete, on your PC, all copies of VENDOR.XML...there will be at least one, and perhaps 2, and they will be located in or similarly to (it changes based on your Windows version) these folders:
C:\Program Files (x86)\Common Files\Research In Motion\AppLoader
C:\Users\(your Windows UserName)\AppData\Roaming\Research In Motion\BlackBerry\Loader XML
6a) For changing your installed BB OS level (upgrade or downgrade), you can launch the Desktop Software and connect your BB...the software should offer you the OS package you installed to your PC.
6b) Or, for reloading your currently installed BB OS level as well as for changing it, bypass the Desktop Software and use LOADER.EXE directly, by proceeding to step 2 in this process:
http://supportforums.blackberry.com/t5/BlackBerry-Device-Software/How-To-Reload-Your-Operating-Syste...
Note that while written for "reload" and the Storm, it can be used to upgrade, downgrade, or reload any BB device model -- it all depends on the OS package you download and install to your PC.
If, during the processes of 6a or 6b, your BB presents a "507" error, simply unplug the USB cord from the BB and re-insert it...don't do anything else...this should allow the install to continue.
If you are on MAC, you are limited to only your carriers sanctioned OS packages...but can still use any levels that they currently sanction. See this procedure:
KB19915How to perform a clean reload of BlackBerry smartphone application software using BlackBerry Desktop Software
Good luck and let us know!
Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
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How to upgrade firmware on Curve 8520 from v4.6 - v5 (don't have active Blackberry service account)

Hello
I have a Blackberry Curve 8520 runningt v4.6 formware. I see5.0 Bundle 1168 (v5.0.0.681 firmware is avaiable, platform 5.2.0.67), but I can't install it because I don't have an active service account. I get that error when I try upgrade it using USB cable and the Blackberry desktop software.
Any ideas how to upgrade or create and register one of these active service accounts?
I need to upgrade so that I can use USB MTP (which is not present in the current v4.6 firmware)
Many thanks
rich

Hi and Welcome to the Community!
From your post, I cannot quite tell the specific process you are attempting...so I will give you everything...
The simplest way is to, on a PC (you cannot do this on MAC):
1) Make sure you have a current and complete backup of your BB...you can find complete instructions via the link in my auto-sig below.
2) Uninstall, from your PC, any BB OS packages
3) Make sure you have the BB Desktop Software already installed
http://us.blackberry.com/software/desktop.html
4) Download and install, to your PC, the BB OS package you desire:
http://us.blackberry.com/support/downloads/download_sites.jsp
It is sorted first by carrier -- so if all you want are the OS levels your carrier supports, your search will be quick. However, some carriers are much slower than others to release updates. To truly seek out the most up-to-date OS package for your BB, you must dig through and find all carriers that support your specific model BB, and then compare the OS levels that they support.
5) Delete, on your PC, all copies of VENDOR.XML...there will be at least one, and perhaps 2, and they will be located in or similarly to (it changes based on your Windows version) these folders:
C:\Program Files (x86)\Common Files\Research In Motion\AppLoader
C:\Users\(your Windows UserName)\AppData\Roaming\Research In Motion\BlackBerry\Loader XML
6) Disconnect your PC from the internet and turn off all radios on your BB (consider also removing the SIM...not likely necessary, but just in case)
76a) For changing your installed BB OS level (upgrade or downgrade), you can launch the Desktop Software and connect your BB...the software should offer you the OS package you installed to your PC.
7b) Or, for reloading your currently installed BB OS level as well as for changing it, bypass the Desktop Software and use LOADER.EXE directly, by proceeding to step 2 in this process:
http://supportforums.blackberry.com/t5/BlackBerry-Device-Software/How-To-Reload-Your-Operating-Syste...
Note that while written for "reload" and the Storm, it can be used to upgrade, downgrade, or reload any BB device model -- it all depends on the OS package you download and install to your PC.
If, during the processes of 7a or 7b, your BB presents a "507" error, simply unplug the USB cord from the BB and re-insert it...don't do anything else...this should allow the install to continue.
Good luck and let us know!
Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
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How to stop your blackberry curve 9320 from rebooting on its own

Take a piece of paper and place it on top of the battery(not where its written blackberry) force it to stay still, that will keep it from switching off. Try it n see if it would help you because my phone has not even switched off once on its own since I did that, it might help u 2.

nyathi wrote:
Take a piece of paper and place it on top of the battery(not where its written blackberry) force it to stay still, that will keep it from switching off. Try it n see if it would help you because my phone has not even switched off once on its own since I did that, it might help u 2.
Hi! Thank you for your input. I personally recommend this method as well in certain occasions, but we need to remember that not all issues regarding BlackBerry Curve devices not powering up (specifically 9320's) is an issue can be rectified by this method. It can be an issue with monitor, a software, battery, faulty hardware etc., that's why we need to probe and not assume that placing a piece of paper is the snake oil for 9320 issues. Although it may help sometimes, let's not assure users that this is the solution to their problem.
I saw you across the forum posting the same message.
here http://supportforums.blackberry.com/t5/notifications/notifymoderatorpage/message-uid/3030658
and here:http://supportforums.blackberry.com/t5/notifications/notifymoderatorpage/message-uid/3030654
Again, thank your for your input. We appreciae your contributions! Cheers!
Click if you want to Thank someone. If Problem is resolved, so that others can make use of it.

I don't know how to unlock my Blackberry curve 8520

Hey guys, can someone help me to unlock my blackberry??
I have a lock for my blackberry (password) but someone touch it and I can't open it. I think the reason is because they tried to open it but they wrong the password so now it is locked.
Please can someone help me to unlock it, I tried all the password but it is locked.
WHAT CAN I DO???
Please I need your help

Hi and Welcome to the Forums!
You've stumbled into one of the trickiest things about BBs. For security, you can assign a device lock password that, if your BB is lost or stolen, will take care of wiping the BB clean once someone fails to enter the password correctly too many times.
From what you say, it sounds like perhaps this person who had your BB changed your password...which is a problem for you. You see, only the correct password can unlock your BB. Nothing else can. It is completely possible that you have no choice but to fail the maximum number of attempts, at which point your BB will wipe out all of your data and return to "new" condition. Then you can start over.
Good luck!
Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
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PIN: C0001B7B4 Display/Scan Bar Code
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My blackberry curve 8520 has lost all my pictures in the lost.dir folder how do I recover them

I have a blackberry curve 8520 and it has moved all of my pictures on my memory card into a folder called LOST.DIR (I`m not 100% sure they have moved there but I found a lot of files in there that seem to be my pictures) I am not sure how I can recover these files, please help! I`m not sure if it has something to do with the fact that a few weeks ago I was taking a picture and a pop up came up and said something along the line of there wasn`t enough memory on my SD card so pictures will save on device memory and I clicked yes. I`ve taken out the SD card and battery several times and that hasn`t worked. I took someone else`s advice an moved the folder into the DCIM folder where I was able to rename one file to . jpeg but I cannot open it. PLEASE HELP!!!!!!!!!!

Hey Tosin29188,
Welcome to the BlackBerry Support Community Forums.
Thanks for the question.
Are you able to locate this folder when accessing the media card from a PC or Mac? Also are the pictures files renamed to a different extension? (For example: Picture.rem)
Are you able to open the media files up on a computer?
I look forward to your reply.
Cheers.
-ViciousFerret
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How to solve this problem 'Uncaught exception: dssma: invalid state(5): 25 in blackberry curve 8520?

HELLO, I have blackberry curve 8520. i have got error in my phone. the error is "Uncaught exception: DSSMA: invalid state(5): 25. I am unable to open my Inbox messages and unable to view phone's call history. the phone shows the same message again and again 'Uncaught exceptionSSMA: invalid state(5): 25'. Please help me how to solve it? I am unable to read sms in my phone. Please help me.
Solved!
Go to Solution.

Hi and Welcome to the Community!!
There's pretty much no diagnosing those -- they are the equivalent of the random errors in Windows for which tracing the root cause is fruitless. Basically, these are the last out in the programming code -- some event occurred for which there is no handler in the code. The fix is a code update that handles the event...but, again, knowing what the event is is pretty much impossible. So, there are a few things to try:
Sometimes, the code simply becomes corrupt and needs to be refreshed -- just like a reboot:
Anytime random strange behavior or sluggishness creeps in, the first thing to do is a battery pop reboot. With power ON, remove the back cover and pull out the battery. Wait about a minute then replace the battery and cover. Power up and wait patiently through the long reboot -- ~5 minutes. See if things have returned to good operation. Like all computing devices, BB's suffer from memory leaks and such...with a hard reboot being the best cure.
If it won't boot up cleanly, then you may need to try Safe Mode:
KB17877 How to start a BlackBerry smartphone in safe mode
There might be an updated code set from the carrier -- check them via this portal:
http://na.blackberry.com/eng/support/downloads/download_sites.jsp
The toughest possible cause is a badly behaving app. To find it, there are a couple of options. One is to see if you can read the log file:
Go to the home screen. Hold down the "alt" key and type 'lglg'. (You will not see anything while you type).This will bring up the log file. Scroll down (probably many pages) untill you see a line that says 'uncaught execption'. Click on this line. The name of the app will be in the info. Alternative methods for bringing up the logs are in this KB:
KB05349How to enable, access, and extract the event logs on a BlackBerry smartphone
The other method is to remove apps one at a time, waiting a while in between (I usually recommend a week), until the problem ceases...thereby discovering the offending app. Still another method is to reload the BB OS cleanly, leaving some time between adding other apps onto the BB so as to be able to determine exactly which one is the cause.
Good luck and let us know!
Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
Join our BBM Channels
BSCF General Channel
PIN: C0001B7B4 Display/Scan Bar Code
Knowledge Base Updates
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How to download Thai Font to Blackberry curve 8520

My blackberry curve 8520, T-mobile network, ver 5.0.0.681 hasn't got Thai Font on it. I would like to download Thai font for reading and input (writing).please explain how to do it step by step because I do have not much knowledge about computer or software. I have read some topics says that I have to download and choose the network provider which mine is T-mobile and it provides only Muli-language (not All Languages) which I can't write it (only reading). I am not too sure it is correct or not.I believe I need to download Blackberry desktop software as well. please also give advice on these software.

Hi and Welcome to the Community!
The simplest way is to, on a PC (you cannot do this on MAC):
1) Uninstall, from your PC, any BB OS packages (add/remove programs, Uninstall a Program -- it depends on your Windows OS level)
2) Make sure you have the BB Desktop Software already installed
http://us.blackberry.com/apps-software/desktop/?lid=us:bboftwareesktopSoftware&lpos=us:bboftware
3) Download and install, to your PC, the BB OS package you desire:
http://us.blackberry.com/support/downloads/download_sites.jsp
If your carrier only provides a "Multi Language" package, then you may need to look at other carriers OS packages, and find some that have "East Asia" or "All Languages" ("Multi Language" indeed does not have Thai, as per this KB).
4) If that OS package is from a carrier other than the carrier for which your BB was originally manufactured, then delete, on your PC, all copies of VENDOR.XML...there will be at least one, and perhaps 2, and they will be located in or similarly to (it changes based on your Windows version) these folders:
C:\Program Files (x86)\Common Files\Research In Motion\AppLoader
C:\Users\(your Windows UserName)\AppData\Roaming\Research In Motion\BlackBerry\Loader XML
5) Now launch the Desktop Software and connect your BB...the software should offer you the OS package you installed to your PC, and you should be able to select the languages you desire If, during the process, your BB presents a "507" error, simply unplug the USB cord from the BB and re-insert it...don't do anything else...this should allow the install to continue.
Don't forget to backup.
If you are on MAC, you are limited to only your carriers sanctioned OS packages...but can still use any levels that they currently sanction. See this procedure:
KB19915How to perform a clean reload of BlackBerry smartphone application software using BlackBerry Desktop Software
Good luck and let us know!
Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
Join our BBM Channels
BSCF General Channel
PIN: C0001B7B4 Display/Scan Bar Code
Knowledge Base Updates
PIN: C0005A9AA Display/Scan Bar Code

Blackberry Curve 8520 how to disable Edge and surf on WIFI only

Hi,
Could anybody help me to disable Edge network on vodafone and only phone connects to WIFI when using internet on Blackberry Curve 8520.
It would be great help!

Just turn off Mobile network. Uncheck the box. Doing that means you can't make phone calls, though. That's the only way. If they're both on and a wifi connection is present it is supposed to use that first but some say it still uses mobile data sometimes.
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How to set up facebook chat on my blackberry curve 8520 with tmobile

Hi all,
I am new to the chat forum. I have just bought a new blackberry Curve 8520 mobile. I am on pay as you go with tmobile. I am trying to set up a facebook chat on the mobile phone with no success. Perhaps I need someone to help me with the basic instructions. I have set my email and am receiving them.
Can anybody help, please.

the "Facebook for BlackBerry" application does not support facebook chat.
but other applications like IM+ do support facebook chat.
The search box on top-right of this page is your true friend, and the public Knowledge Base too:

Blackberry Curve 8520 not working correctly

My Blackberry Curve 8520 is not working correctly. It has worked on and off for about 2 days now.
The first thing to stop was the media files - at first it said the SD card was inserted, but couldn't find any files. I've tried repairing the card. Then it is said there was no card inserted. Have taken out and re-entered the card, and formatted it. It now says there is no card inserted again.
Also, Whatsapp and BBM are not working. I can open them, and can type a message, and press send, but no message actually sends.
Plus the screen keeps freezing, will only work again through a battery pull.
I've had the phone for about 3 months.
Please help!

Hello Sarahhelen,
I would suggest backing up and doing a clean reload of the BlackBerry® device software as shown here: http://btsc.webapps.blackberry.com/btsc/KB11320. Please test before restoring any data to the device.
If this resolves the issue do a selective restore of essential data (Address Book, Calendar, Task, Memos, BBM contacts etc.)
How to use BlackBerry® Desktop Software to restore data to a BlackBerry® smartphone from a backup file
http://btsc.webapps.blackberry.com/btsc/KB10339.
If the issue still persists after the reload, further investigation might be required. To help further diagnose the cause, contact your wireless service provider or BlackBerry® Technical Support Services for further review and support.
Thank you.
-HB
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Be sure to click Kudos! for those who have helped you.Click Solution? for posts that have solved your issue(s)!

Can't create a personal email account on my Blackberry Curve 8520.

I cannot create an personal email account on my Blackberry Curve 8520. I’ve already followed some of the instructions from this forum and on the main website of Blackberry but still can’t create an email account for my phone.
These are the steps I’m doing when I’m trying to create and email.
From the home screen, go to Setup.
Click Setup Wizard.
Click Email Setup.
But when I’m in the email setup, the only option I have is the “I want to use a work email account with a Blackberry Enterprise Server.
I don’t have the option of “I want to create or add an email address”.
Now, how can I create a personal email account on my phone?
I hope somebody can help me in my problem.
Solved!
Go to Solution.

Hi and Welcome to the Forums!
To use the proprietary RIM Push email capability, you must have an adequate data plan from your carrier. The carriers host BIS for their BB users. Typically, BIS is not available via generic data plans. Many carriers call what is necessary The Blackberry Data Plan. Whatever they call it, it is the carrier who delivers BIS to their BB users -- contact them for assistance. Once you have a BIS-capable data plan on your BB (at whatever fees your carrier will charge, btw), you will then have Personal Email added to the email setup wizard.
Good luck!
Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
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Blackberry Curve 8520 Won't Lock! Help!

I recently purchased a new Blackberry Curve 8520, and it was working great, until a couple of days ago, when it starting not working.
Whenever I'd press the a* button to lock it like you're supposed to, it wouldn't lock.
I tried shutting it off and then turning it back on again, but it still won't lock.
It's really annoying, because I can't put it in my pocket without pocket-dialing someone from my contacts.
Any ideas on how to get it to lock again?
Solved!
Go to Solution.

dwapurity wrote:
Hello! I've tried your suggestion and my 'a'/'lock button' is still not working! Any more suggestion?
Hi
Whats the version of the operating system please. Go to Options > About and it looks like OS 5.0.0.681 (which happens to be mine).
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BlackBerry Curve 8520 stuck in alt mode

My BlackBerry Curve 8520 got wet a few days ago, it's since been left to dry out with all parts removed on top of my Virgin Media box. I checked for damage today & it appears to be working fine, apart from the fact that it's stuck in alt mode.
Any suggestions on how I can get it out of alt mode? The button doesn't appear to be stuck. The 'alt' icon in the corner changes to '123' when I select the left shift button, but when deselected it changes back to alt mode.
I've done a few battery pulls, removed all third party applications & re-installed its OS.
To be able to type normally with letters I have to either hold down the 'return/back' button, 'X' 'V' or 'B' button, or the '$' button. Whilst holding these I can select whether I want 'alt' or not, but then it returns when I let go anyway.
Thanks in advance for any advice you can give.
Was using the phone just on BB messenger, holding '$' button to type letters & the alt mode went off on its own! Hope it doesn't come back now!
Solved!
Go to Solution.

Hi!
When this happened to me, I searched endlessly for a solution but I couldn't find anything that didn't involve going to a repair centre or taking my phone to pieces. I was hoping for a simple solution! I was really frustrated as my phone's relatively new and well looked after and I couldn't do a thing. After about an hour of doing everything I could, it fixed itself and I forgot about it.
Luckily, whwn it happened again I was with my boyfriend who asked me to let him have a look. I was adamant that he wouldn't be able to fix it - I'd tried everything!
When he handed it back to me, no longer stuck on Alt, I was amazed. Now every time it happens I simply press (hard) and hold the Alt button for a second or two and that fixes the problem! Amazing.
I just knew I had to post it on here to save people time, anger and money, so I created an account. Hi!
L.

Blackberry curve 8520 buttons not reacting properly

I have just bought a blackberry curve 8520, I have put in my sim card,everything goes fine, but the keyboard was not reacting,only the roller in the centre, now i have seen the posts about taking it out and cleaning it,but I just cannot get it out, the more i try the more it looks like it is getting damaged. But anyway after fiddling around with it. I discovered if I hold the button on the left side of the phone(the voice activation button) then press the back button etc i can control it, and get to the different screens, but obviously this is not ideal. Does any one know how i can sort this problem out? I have gone to options and checked if it has been changed to do this on the keyboard options and it has not, the option is still set to voice dialing. Help Please!!!!!

Hey ruang007,
Welcome to the BlackBerry® Support Community Forums.
From what you have described this sounds like a hardware issue, I would suggest contacting your point of sale to review warranty and repair options.
Let me know if you have any questions.
Thanks.
-HB
Come follow your BlackBerry Technical Team on twitter! @BlackBerryHelp
Be sure to click Kudos! for those who have helped you.Click Solution? for posts that have solved your issue(s)!

Blackberry curve 8520 is not working/rebooting

since last week my blackberry curve 8520 is shut down and not rebooting, I have tried many time but when reboot it an error # 523 accour and set goes held, pls help me that How I can start it

1) Make sure you have Blackberry Desktop Manager installed.
http://na.blackberry.com/eng/services/desktop/
2) On your PC, go to Start > Run and copy and paste the following line exactly (meaning with the quotation marks):
"c:\program files\common files\research in motion\apploader\loader.exe" /nojvm
3) The Application Loader Wizard will appear -- click "Next."
4) In the "Connection:" drop-down menu, you should see "USB-PIN: UNKNOWN". Click the "Next" button.
5) You should then see a list of applications ready to be installed for your Blackberry. Hit Next and Finish and you are well on your way to getting your Blackberry back to life. Congrats! Just don't disconnect anything and let the lengthy process finish completely.
NOTE: If you do not see a list of applications mentioned in step 5 and instead see the message "The Blackberry Desktop Software does not have Blackberry Device Software for the device that you have connected to the computer. Contact your wireless service provider or system administrator," then you must download Blackberry's Operating System for your carrier and device.
BlackBerry Device Operating System downloads: http://www.blackberryforums.com/blackberry-device-specific/
Just select the appropriate device model from the list and download the latest version. Install this download and follow the above steps again and you should be on the right path.
IF the above does not work or help, You will need to use JL_Cmder to wipe the device and subsequently load the OS to the device. Follow the instructions here:
Download JL_Cmder http://www.blackberryforums.com/rim-software/18789-jl_cmder.html
or download BBSAK http://bbsak.org/download.php
If JL_Cmder does not work, you can try this:
KB10144, http://www.blackberry.com/btsc/KB10144
and this: KB20371 http://www.blackberry.com/btsc/KB20371
Additional information:
http://www.blackberry.com/btsc/KB24395 "Error 523", "App Error 523", or "JVM 523" appears on the BlackBerry smartphone
Article ID: http://www.blackberry.com/btsc/KB10144
KB10144 How to force the detection of the BlackBerry smartphone using Application Loader
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4. Guide to Unlocking your BlackBerry & Unlock Codes
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How to downgrade my blackberry curve 8520 from version 8.2.0.18 to version 5.1

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