Lumia 900 Cellular Connectivity problem (AT&T) aft...

I've had a Lumia 900 on AT&T for about 5 months and have not had any connection problems. However, after the Tango update (OS *.8779.*; Firmware: *.12223), when I take my phone into work (which has no cellular reception normally) for an extended time and then take it outside it will sporadically not reconnect to the cell tower. It will show no connection forever. If I turn airplane mode on then off or turn off and then on the data connection, which seemed to fix similar problems before, I still get no connection.
The only solution is to restart my phone. One time it kind of hung on restart. The other time the phone froze up when I was trying to turn on/off the data connection. Restarting brings the cellular connection back. (Almost as if whatever software is controlling the cellular connection is crashing).
*I also installed the beta Nokia Counters program after the update -so that may be the problem too?
Has anyone else experienced this before. Is it a Tango issue, or a common issue that coincidentally started for me after the update?

I am having a similar issues with Wifi & cellular connectivity Issues. In addition, am seeing that my Lumia 900's screen is turning black with no response from the power button or any other buttons (bottom buttons will be light though). I have to reset the phone by pressing volume power camera buttons. And one or two times today it had issues restarting cycling the Nokia logo, AT&T logo, then black screen about three to four times before it showed the Windows Phone logo to fully boot up.
Totally Disappointed.

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Hi,
I have a Flyaudio multimedia head unit (type 80054A1) in my car and I just recently bought a Nokia Lumia 900 with 7.5 software version. The problem is that it connects the phone, finds the call records etc etc, seems everything is working fine. And then it starts droppng the connection - maybe a 30 seconds and the connection is lost, then another 15 second or so and the connections is back on, and so it repeats itself the whole day. I updated the phone to 7.8 and still the same continues. At the same time, my wife's phone stays on connected the whole time, as do other friends who have tried this. As far as I have checked all of the phones have BT 2.1+EDR (the multimedia unit itself is 2.0+EDR). So it should work fine, but for my Nokia it isn't.
Please help me as this is geting totally frustrating.
Thanks!

Hi lumiasubaru,
Welcome to the forum!
Have you already verified this to your car's manufacturer if the Lumia 900 is compatible with its Bluetooth? You can also try to soft reset your phone by pressing and holding the Power button for 10 seconds. After it’s off, press the power button to turn on your phone again.

Lumia 2520 WiFi connection problems - dhcp fails

I have problems connecting to my work wifi network, the tablet connects to the network but fails to get IP address with DHCP. It actually fails to find DHCP server. If I enter the IP settings manually - everything starts working.
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fezzer79 wrote:
I am currently experiencing a serious wifi issue with my new Lumia 920. As i whole i think the phone is amazing, but this is taking the sheen off the experience.
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Nokia Lumia 900 - Cellular Access

Hi,
I live in the US and have a Nokia Lumina 900.
I travel to malaysia but never seem to be sucessful in getting my phone there to make local calls.
Took to a Maxis shop and no help. At least store I visited couldn't find a SIM card that would work.
End up making about 15 local calls while there and was charged over $80. Bad enough - but watsed a lot of time getting directions.
How can I easily adapt my phone for local use in Malaysia without always buying a cheap phone there??
sanensunny
Moderator's note: We have created a new thread for the post and provided a subject-related title to help other forum users easily view and respond to this post.

Your case is different from the original poster, you should have created your own thread.
You have to understand that the cellular signal used in the US is different than the rest of the world. You also need an unlocked phone to be able to use different SIM cards.
Moderator's note: We have created a new thread for the post and provided a subject-related title to help other forum users easily view and respond to this post.

Nokia Lumia 520 GPS connection problem

Hi all,
I have a Lumia 520,and When I search for a route offline it says:
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thanks
Solved!
Go to Solution.

Glad to help
Was this post helpful? If so, please click on the white "Kudos!" star below. Thank you!

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My Lumia 620 disconnect wifi few times a day, few hours everytime, whenever I go to the wifi settings, either there are just wifi(without mine) with no signal or nothing at all. Restarting phone and router won't work

Hi sengyau,
Thank you for posting and welcome to the Nokia Support Discussions!
Does the issue only happen with a particular Wi-Fi? Is the behavior same when connecting to other Wi-Fi networks? Try rebooting the phone. Don't forget to remove and replace the battery. If you have a phone cover, remove it for a while and connect the phone to the Wi-Fi to test it. Covers may block the Wi-Fi antena from receiving signals.
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Solved!
Go to Solution.

Found this, followed it to the letter, no help.
http://answers.microsoft.com/en-us/winphone/forum/wp7-sync/connection-error-cant-connect-to-your-pho...
This is just unbelievable.

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Just to clarify. Are you saying your mobile data connection never works or only doesn't work when there is no wifi connection?

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SIR PLEASE HELP ME!
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Moderator's note: E-mail address was removed. It is unwise to publish personal contact information on a public forum.
Moderator's Note: Post was moved and amended the title.

Hi, yasir1811. Welcome to Microsoft Mobile Community! Has it worked fine before? Does your phone have the latest software installed? If yes, try updating the system apps from the Settings > applications > store > check for updates. Here are some solutions that are suitable for this concern: My phone has problems connecting to Wi-Fi networks. The given link is intended for the Philippines. You may try accessing it on your local MS page. Keep us posted.

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LUMIA 900 - Sound Problem

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I have posted my findings in the lumia 800 problem but thought I would make a another post Just to highlight the problem with the Lumia 900 as well.
My One Day Old lumia 900 was struggling with the sound from speaker and by the end of the day there was no sound coming from the phone speaker.
But I have found out that if you press between the WINDOWS LOGO KEY and the SEARCH BUTTON the sound comes out just fine.
So This is Basically a Hardware Fault on behalf of Nokia as this seems to be a loose Connection somewhere inside the phone.
I have emailed support and will take the phone back to Phones4U from whom I purchased the phone and will keep you guys updated as to how things turned up.
I am really sad about the events as I was quiet Happy with my purchase.

I had the same problem in my lumia 900. So what i did is first figured out different sound cercuits available to it and check all the options. At last i suceeded. I turned on the alaram and as soon as it rang, it opened up other channels. So give it a try...

Nokia Lumia 900 non-LTE version. BIG connectivity ...

Dear all,
I have my gorgeous Lumia 900 for a week now and I am experienceing massive data connectivity issues. When the network changes from 3G(HSPA) to 2G or to Wifi, Data connectivity breaks down. I have to wait for 10 or more minutes or do settings on the network menu to get data running I am from Bulgaria and it is a non-LTE version of the phone. As far as I can see the firmware and OS versions are updated - the numbers are higher than those stated in the official At&t update. Please, help me!
BR,
Aleks

Dear all,
I have my gorgeous Lumia 900 for a week now and I am experienceing massive data connectivity issues. When the network changes from 3G(HSPA) to 2G or to Wifi, Data connectivity breaks down. I have to wait for 10 or more minutes or do settings on the network menu to get data running I am from Bulgaria and it is a non-LTE version of the phone. As far as I can see the firmware and OS versions are updated - the numbers are higher than those stated in the official At&t update. Please, help me!
BR,
Aleks

Lumia 900 problem

I drop the Lumia 900 in water i was in a rush it was stupid to leave it by the shower.
can anything be done to fix it by nokia the screen works but the touch function does not.
an the input jack does not work as well. Ill pay for a new replacement if thats whats needed.
I love this phone an still have months left on my contract hate to lose it now.

Hi jkg1989tfk
Thank you for your post.
Best thing I can recommend is to visit your local Nokia care point and let one of the engineers inspect the device. Please be aware any repairs made will be chargeable but you will be given a cost first before you decided whether you wish to repair it or not.
You can find your local care point on the following link:
http://www.nokia.com/global/support/locations/
Regards
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Connection problem with Nokia Lumia 2520 tablet

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Linksys
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Lumia 900 Cellular Connectivity problem (AT&T) aft...

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