Performance issues after upgrading iPad 1 to IOS 5..

Apps open slower, lag in response and even typing gets an intermittent lag..
I have 51GB free space out of 64.. So not a space issue.
Is it an IOS5 issue with the iPad1 or could they be an upgrade issue? My iTunes hung several time during the upgrade.. So I wonder about that.
Do I try to revert back to 4 or should I stick with IOS5 and try to erase my iPad then sync over again?

You can't revert back to iOS 4 officially - Apple does not support downgrades. You could try restoring your device or you could just try restarting it or resetting it if you haven't tried either of those things. I would try those things before I would restore.
Restart the iPad by holding down on the sleep button until the red slider appears and then slide to shut off. To power up hold the sleep button until the Apple logo appears and let go of the button.
Reset the iPad by holding down on the sleep and home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons.
I have an original iPad and I updated and other that a little keyboard lag - which I always had anyway in every iOS that was on the device - I have had no performance issues.

Similar Messages

After upgrading ipad to iOS 7.1 I can no longer close open apps by double clicking home button. Any other way to close open apps?

After upgrading ipad to iOS 7.1 I can no longer close open apps by double clicking home button. Any ideas

Double-tap on the Home button. You will see a preview of the app above the actual icon. Slide the preview up to kill it.
Please get the iPhone User Guide (For iOS 7 Software)Sep 19, 2013 - 23 MB.

Performance issue after Upgrade from 4.7 to ECC 6.0 with a select query

Hi All,
There is a Performance issue after Upgrade from 4.7 to ECC 6.0 with a select query in a report painter.
This query is working fine when executed in 4.7 system where as it is running for more time in ECC6.0.
Select query is on the table COSP.
SELECT (FIELD_LIST)
        INTO CORRESPONDING FIELDS OF TABLE I_COSP PACKAGE SIZE 1000
        FROM COSP CLIENT SPECIFIED
        WHERE GJAHR IN SELR_GJAHR
          AND KSTAR IN SELR_KSTAR
          AND LEDNR EQ '00'
          AND OBJNR IN SELR_OBJNR
          AND PERBL IN SELR_PERBL
          AND VERSN IN SELR_VERSN
          AND WRTTP IN SELR_WRTTP
          AND MANDT IN MANDTTAB
        GROUP BY (GROUP_LIST).
   LOOP AT I_COSP      .
     COSP                           = I_COSP      .
     PERFORM PCOSP       USING I_COSP-_COUNTER.
     CLEAR: $RWTAB, COSP                          .
     CLEAR CCR1S                         .
   ENDLOOP.
ENDSELECT.
I have checked with the table indexes, they were same as in 4.7 system.
What can be the reson for the difference in execution time. How can this be reduced without adjusting the select query.
Thanks in advance for the responses.
Regards,
Dedeepya.

Hi,
ohhhhh....... lots of problems in select query......this is not the way you should write it.
Some generic comments:
1. never use SELECT
                   endselect.
   SELECT
into table
   for all entries in table
where.
   use perform statment after this selection.
2. Do not use into corresponding fields. use exact structure type.
3. use proper sequence of fields in the where condition so that it helps table go according to indexes.
    e.g in your case
          sequence should be
LEDNR
OBJNR
GJAHR
WRTTP
VERSN
KSTAR
HRKFT
VRGNG
VBUND
PARGB
BEKNZ
TWAER
PERBL
sequence should be same as defined in table.
Always keep select query as simple as possible and perform all other calculations etc. afterwords.
I hope it helps.
Regards,
Pranaya

Performance issues after upgrading to 11g

hello,
We are facing a performance issue after upgrading from 10g to 11g.
as you can see, the tables named APPLSYS.FND_ENV_CONTEXT has grown to 15544880 records,
and oracle is using TABLE ACCESS FULL on it:
DELETE FND_ENV_CONTEXT E
WHERE NOT EXISTS
(SELECT 'X'
FROM FND_CONCURRENT_PROCESSES P
WHERE P.CONCURRENT_PROCESS_ID = E.CONCURRENT_PROCESS_ID)
AND ROWNUM < 10000;
Plan:
DELETE STATEMENT ALL_ROWSCost: 74,345
     5 DELETE APPLSYS.FND_ENV_CONTEXT
          4 COUNT STOPKEY
               3 HASH JOIN RIGHT ANTI Cost: 74,345 Bytes: 3,108,980 Cardinality: 155,449
                    1 INDEX FULL SCAN INDEX (UNIQUE) APPLSYS.FND_CONCURRENT_PROCESSES_U1 Cost: 166 Bytes: 315,450 Cardinality: 63,090
                    2 TABLE ACCESS FULL TABLE APPLSYS.FND_ENV_CONTEXT Cost: 69,124 Bytes: 233,173,200 Cardinality: 15,544,880
select num_rows,last_analyzed from dba_tables where table_name='FND_ENV_CONTEXT'
15544880 07/07/2011 12:08:55
please advice.
Ofer

Please see these docs.
Table Fnd_env_context Growing Very Fast [ID 419990.1]
FND Related Tablespaces Growing at Rapid and Excessive Rate [ID 189800.1]
FNDCPPUR Request Does Not Always Delete Files From The File System, Many Files Will Be Denoted As "deletion failed" [ID 1335304.1]
Concurrent Processing - Best Practices for Performance for Concurrent Managers in E-Business Suite [ID 1057802.1]
Concurrent Processing - Purge Concurrent Request and/or Manager Data Program (FNDCPPUR) [ID 104282.1]
Thanks,
Hussein

Purchased iBook disappeared after upgrading iPad to iOS 8. Unable to re-download.

A student at my school recently lost an iBook after upgrading his iPad to iOS 8. After the upgrade, the book was just no longer on his bookshelf. Now, when trying to re-download from his Purchased list, the book just appears grayed out and does not download. He can download the book on his iPhone, which is iOS 7. We've tried: closing/re-opening iBooks, signing out/in of his Apple ID, Home button-Power button resetting the iPad, signing out of iTunes, checking storage despite not getting any errors (has 3GB available, book is under 10MB). No luck with any of that.. just a grayed out book that won't download. Does anyone have any suggestions? Thanks

Thank you SO much Stephaniefromlancaster -
I tried your solution and you're not nuts It worked!!!

SharePoint 2007 performance issue after upgrading the operating system

We upgraded the operating system of our SharePoint Server 2007 from 2003 to 2008 R2. After upgrade we rebuilt the SharePoint using content DBs we backed up before upgrade. All settings is same except that we moved the DBs to new SQL servers. Now users are
reporting performance issue with sites. I experienced it myself some of the pages takes 9-30 seconds to load. Also our SharePoint server is single server. I monitored the SharePoint Server and it is fine. I did fiddler trace and here are the result. I see
lots of 401 (login failed) errors then 302 (redirect) then 200 (OK). Do you know why we are getting 401 errors?
Result
Protocol
Host
URL
Body
Caching
Content-Type
Process
184
401
HTTP
sp07.ourcompany.com
/bif/EUROPE-AMA
341
text/html; charset=us-ascii
iexplore:15344
185
302
HTTP
sp07.ourcompany.com
/bif/EUROPE-AMA
196
text/html; charset=UTF-8
iexplore:15344
186
401
HTTP
sp07.ourcompany.com
/bif/EUROPE-AMA/default.aspx
341
text/html; charset=us-ascii
iexplore:15344
187
200
HTTP
sp07.ourcompany.com
/bif/EUROPE-AMA/default.aspx
105,487
private, max-age=0; Expires: Mon, 22 Dec 2014 21:37:48 GMT
text/html; charset=utf-8
iexplore:15344
188
401
HTTP
sp07.ourcompany.com
/_layouts/1033/styles/calendar.css?rev=BrbrIU86qTG2EHx1ZUuFBQ%3D%3D
341
text/html; charset=us-ascii
iexplore:15344
189
200
HTTP
sp07.ourcompany.com
/_layouts/images/prevbuttonltr.gif
76
max-age=31536000
image/gif
iexplore:15344
190
200
HTTP
sp07.ourcompany.com
/_layouts/images/nextbuttonltr.gif
78
max-age=31536000
image/gif
iexplore:15344
191
200
HTTP
sp07.ourcompany.com
/_layouts/images/day.gif
1,051
max-age=31536000
image/gif
iexplore:15344
192
200
HTTP
sp07.ourcompany.com
/_layouts/images/month.gif
1,068
max-age=31536000
image/gif
iexplore:15344
193
200
HTTP
sp07.ourcompany.com
/_layouts/1033/styles/calendar.css?rev=BrbrIU86qTG2EHx1ZUuFBQ%3D%3D
28,814
max-age=31536000
text/css
iexplore:15344
194
200
HTTP
sp07.ourcompany.com
/_layouts/images/week.gif
1,057
max-age=31536000
image/gif
iexplore:15344
195
200
HTTP
sp07.ourcompany.com
/_layouts/images/weekbox.gif
149
max-age=31536000
image/gif
iexplore:15344
196
200
HTTP
sp07.ourcompany.com
/_layouts/images/alldayDefault.gif
157
max-age=31536000
image/gif
iexplore:15344
197
200
HTTP
sp07.ourcompany.com
/_layouts/images/calnumBttntoday.gif
146
max-age=31536000
image/gif
iexplore:15344
198
200
HTTP
sp07.ourcompany.com
/_layouts/images/calnumBttn.gif
95
max-age=31536000
image/gif
iexplore:15344

Hi
when you request a Site collection (http://domain/) or a Site (http://domain/foo/) of your Publishing Site you get redirected to the http://domain/Pages/<WelcomePage>.aspx. SharePoint 2007 uses the 302 header (location temporarily moved) for
this purpose. Surprisingly even WSS uses the 302 header to redirect a root url to the default.aspx. In comparison ASP.NET uses an internal redirect to render the default page when the root url requested: there is no redirect in this situation.
Check the link which can give more input
http://blog.mastykarz.nl/sharepoint-2007-redirect-solved-using-301-instead-of-302-redirects/
for error 401 you can check this link
http://discussions.citrix.com/topic/97027-no-resources-401-unauthorized/d
and check SharePoint ULS logs and event viewer for any exceptions.
Please mark the Answer and Vote me if you think that it will help you to resolved your issue

Major performance Issues after upgrading to 10.9.2

Hi,
I have been having major performance issues almost preventing me from using the computer at times. I suspect I don't have enough memory to run Maverick as the computer was great before I upgraded.
If any experts or people with ideas for me to speed up the computer, please respond. If you think the only way to improve performance is add memory or revert back to a previous version of OSX that I have a backup for, let me know.
Here is the info on my system, thank you in advance!!
Hardware Information:
          MacBook Pro (15-inch, Late 2008)
          MacBook Pro - model: MacBookPro5,1
          1 2.4 GHz Intel Core 2 Duo CPU: 2 cores
          2 GB RAM
Video Information:
          NVIDIA GeForce 9400M - VRAM: 256 MB
          NVIDIA GeForce 9600M GT - VRAM: 256 MB
System Software:
          OS X 10.9.2 (13C1021) - Uptime: 3 days 21:20:10
Disk Information:
          Hitachi HTS543225L9SA02 disk0 : (250.06 GB)
                    EFI (disk0s1) <not mounted>: 209.7 MB
                    :c (disk0s2) / [Startup]: 249.2 GB (67.82 GB free)
                    Recovery HD (disk0s3) <not mounted>: 650 MB
          MATSHITADVD-R   UJ-868
USB Information:
          Apple Inc. Built-in iSight
          Apple, Inc. Apple Internal Keyboard / Trackpad
          Apple Computer, Inc. IR Receiver
          Fitbit Inc. Fitbit Base Station
          Apple Inc. BRCM2046 Hub
                    Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information:
Configuration files:
          /etc/sysctl.conf - Exists
          /etc/hosts - Count: 29
Gatekeeper:
          Mac App Store and identified developers
Kernel Extensions:
          [not loaded] com.LaCie.ScsiType00 (1.2.0) Support
          [not loaded] com.cisco.nke.ipsec (2.0.1) Support
          [not loaded] com.leapfrog.codeless.kext (2) Support
          [not loaded] com.leapfrog.driver.LfConnectDriver (1.8.1 - SDK 10.7) Support
          [not loaded] com.rim.driver.BlackBerryUSBDriverInt (0.0.39) Support
          [not loaded] com.rim.driver.BlackBerryUSBDriverVSP (0.0.39) Support
          [not loaded] net.kromtech.kext.AVKauth (2.3.6 - SDK 10.8) Support
          [not loaded] net.kromtech.kext.Firewall (2.3.6 - SDK 10.8) Support
Startup Items:
          CiscoVPN: Path: /System/Library/StartupItems/CiscoVPN
Problem System Launch Daemons:
          [failed] com.apple.wdhelper.plist
Launch Daemons:
          [loaded] com.adobe.fpsaud.plist Support
          [loaded] com.adobe.SwitchBoard.plist Support
          [running] com.fitbit.galileod.plist Support
          [loaded] com.google.keystone.daemon.plist Support
          [loaded] com.leapfrog.connect.shell.plist Support
          [loaded] com.microsoft.office.licensing.helper.plist Support
          [loaded] com.timesoftware.timemachineeditor.backupd-auto.plist Support
          [running] com.zeobit.MacKeeper.AntiVirus.plist Support
          [running] com.zeobit.MacKeeper.plugin.AntiTheft.daemon.plist Support
Launch Agents:
          [not loaded] com.adobe.AAM.Updater-1.0.plist Support
          [loaded] com.adobe.CS5ServiceManager.plist Support
          [running] com.brother.LOGINserver.plist Support
          [running] com.google.keystone.agent.plist Support
User Launch Agents:
          [loaded] com.adobe.ARM.[...].plist Support
          [failed] [email protected]
          [loaded] com.macpaw.CleanMyMac.helperTool.plist Support
          [running] com.microsoft.LaunchAgent.SyncServicesAgent.plist Support
          [running] com.zeobit.MacKeeper.Helper.plist Support
User Login Items:
          Google Chrome
Internet Plug-ins:
          o1dbrowserplugin: Version: 5.3.1.18536 Support
          Google Earth Web Plug-in: Version: 7.1 Support
          Default Browser: Version: 537 - SDK 10.9
          Flip4Mac WMV Plugin: Version: 2.3.8.1 Support
          OfficeLiveBrowserPlugin: Version: 12.2.9 Support
          AdobePDFViewerNPAPI: Version: 10.1.9 Support
          FlashPlayer-10.6: Version: 13.0.0.201 - SDK 10.6 Support
          DivXBrowserPlugin: Version: 2.0 Support
          Silverlight: Version: 5.1.10411.0 - SDK 10.6 Support
          Flash Player: Version: 13.0.0.201 - SDK 10.6 Outdated! Update
          iPhotoPhotocast: Version: 7.0
          googletalkbrowserplugin: Version: 5.3.1.18536 Support
          QuickTime Plugin: Version: 7.7.3
          AdobePDFViewer: Version: 10.1.9 Support
          GarminGpsControl: Version: 2.6.4.0 Release Support
          SharePointBrowserPlugin: Version: 14.3.9 - SDK 10.6 Support
          JavaAppletPlugin: Version: 14.9.0 - SDK 10.7 Check version
Safari Extensions:
          Dashlane: Version: 2.4.0.55923
Audio Plug-ins:
          BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
          AirPlay: Version: 2.0 - SDK 10.9
          AppleAVBAudio: Version: 203.2 - SDK 10.9
          iSightAudio: Version: 7.7.3 - SDK 10.9
iTunes Plug-ins:
          Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
User Internet Plug-ins:
          Dashlane: Version: Dashlane 1.0.0 - SDK 10.7 Support
          Move_Media_Player: Version: npmnqmp 071705000010 Support
          WebEx64: Version: 1.0 - SDK 10.6 Support
          Picasa: Version: 1.0 Support
3rd Party Preference Panes:
          Flash Player Support
          Flip4Mac WMV Support
          Growl Support
Time Machine:
          Skip System Files: NO
          Auto backup: NO - Auto backup turned off
          Time Machine not configured!
Top Processes by CPU:
               3%          WindowServer
               2%          SystemUIServer
               1%          diskimages-helper
               1%          mds
               0%          Google Chrome Helper EH
Top Processes by Memory:
          94 MB          Google Chrome
          59 MB          GoogleSoftwareUpdateDaemon
          57 MB          Google Chrome Helper EH
          52 MB          Google Chrome Helper
          39 MB          Finder
Virtual Memory Information:
          40 MB          Free RAM
          499 MB          Active RAM
          481 MB          Inactive RAM
          465 MB          Wired RAM
          7.33 GB          Page-ins
          502 MB          Page-outs

The performance issues are due to third party software. Mavericks at the minimum requires 2GB's of RAM but I don't think that's the issue. And you can upgrade RAM anytime.
MacKeeper should be uninstalled. It does far more harm than good.
Do not install MacKeeper: Apple Support Communities
Uninstall instructions > how to uninstall MacKeeper
249.2 GB (67.82 GB free)
Keep an eye on available disk space.
Click your Apple menu icon top left in your screen. From the drop down menu click About This Mac > More Info > Storage
Make sure there's at least 15% free disk space. Less can slow your Mac down.
You also need to uninstall CleanMyMac > How To Uninstall CleanMyMac
Third party so called Mac cleaning utilities are not necessary on a Mac. Your Mac runs maintenance in the background for you.
Mac OS X: About background maintenance tasks

Cannot sign in to iMessage after upgrading iPad to IOS 8.1.2

After upgrading to IOS 8.1.2, I am unable to login to iMessage. I receive an error saying check network connection, however I have a wifi connection and am able to access apple.com. Have tried toggling wifi on/off, no success.

Thank you SO much Stephaniefromlancaster -
I tried your solution and you're not nuts It worked!!!

After upgrading IPad to iOS 7 unable to restart ipad

I just updated my Ipad to IOS 7. unable to restart the IPad wthout having to restore over and over again without ever being able to use it. Tried thru ICloud and ITunes backup. none seem to work. any help ?

iPad: Basic troubleshooting
http://support.apple.com/kb/TS3274
Update and restore alert messages on iPhone, iPad, and iPod touch
http://www.buybuyla.com/tech/view/012953a0d412000e.shtml
iOS: Resolving update and restore alert messages
http://support.apple.com/kb/TS1275
iPad: Unable to update or restore
http://support.apple.com/kb/ht4097
iTunes: Specific update-and-restore error messages and advanced troubleshooting
http://support.apple.com/kb/TS3694
 Cheers, Tom

Performance issue after upgradation

Dear All,
I am facing one problem, we have upgraded the existing 4.6c version to ecc 6.0 version for one of the client. And from the basis side everything is completed. But while I tried to run the z-programs in the new version i.e ecc 6.0 version it is taking long time than usual in 4.6c version. On observing the coding , the coding contains innerjoins of 4 to 5 cluster tables. Is this could be one of the reason for longtime execution or else any other reason is there. Do we need to performance tune the programs or else is there any procedure to reduce the program execution time without optimising the code.
Please help me and thankful to you all in advance
Regards
Rayasam

Did you delete the SQL packages on your system after doing the upgrade?
The existing SQL packages may no longer be appropriate, and may not be allowing the correct optimizations to occur.
Normally, the SQL packages will be deleted as a matter of course during the upgrade, but if it didn't happen for some reason, it can affect performance.
See the following, which discusses this issue:
<a href="http://help.sap.com/saphelp_erp2005vp/helpdata/en/ff/ff6dcb409f11d1896b0000e8322d00/content.htm">SQL Package Handling</a>
Also, even if the SQL package were deleted and rebuilt, it may take some time for the system to optimize with the new packages.
Good luck
Brian
Fix typo
Message was edited by:
Brian Sammond

Performance issue after upgrading database 9i (9.2.0.5.0) to 10g (10.2.5.0)

Hi,
recently we have upraded our database from 9.2.0.5.0 to 10.2.5.0. After the upgrading of the database some of our SQL-statements, who gather data and fill it in an empty tabless,
shows a really bad performance in the new database version. We already have checked the explain plan it remains the same in both versions (full table scans on the corresponding tables)
E.g. a query running in the 9i database needs 17 minutes for completion in the 10g version it needs 15 hours.
We have checked the running session and have seen that the read of database blocks of the corresponding tables needs immense more time in the 10g version.
Are there any oracle parameter, hidden features we can adjust in 10g in order to get the same performance as in 9i?
thanks in advance
Here is this example with the above mentioned different response time:
(the object edv_belasgv_3_jahre is a view over 3 tables as an union all, each table has approximately 1 million records)
/* Formatted on 06.09.2012 19:09:08 (QP5 v5.136.908.31019) */
INSERT INTO mv_edv_belasgv_branche
SELECT gesellschaft,
erscheinungsdatum,
buchungsdatum,
code,
SUM (rechnungsnetto) AS rechnungsnetto,
SUM (rechnungsbetrag) AS rechnungsbetrag,
SUM (mehrwertsteuer) AS mehrwertsteuer
FROM (SELECT gesellschaft,
erscheinungsdatum,
buchungsdatum,
rechnungsnetto,
rechnungsbetrag,
mehrwertsteuer,
DECODE (
(SELECT branche1
FROM anzedv.edv_stammdaten t2
WHERE t1.gesellschaft = t2.gesellschaft
AND t1.kundennummer_sap = t2.kundennummer_sap
AND t1.unterkonto = t2.unterkonto),
NULL,
NULL,
DECODE (
(SELECT DISTINCT branche
FROM (SELECT *
FROM anzedv.edv_zuordnung_branche_rubrik
WHERE branche IS NOT NULL)
WHERE (SELECT branche1
FROM anzedv.edv_stammdaten t2
WHERE t1.gesellschaft = t2.gesellschaft
AND t1.kundennummer_sap =
t2.kundennummer_sap
AND t1.unterkonto = t2.unterkonto) LIKE
branche || '%'),
NULL,
'sonstige',
(SELECT DISTINCT branche
FROM (SELECT *
FROM anzedv.edv_zuordnung_branche_rubrik
WHERE branche IS NOT NULL)
WHERE (SELECT branche1
FROM anzedv.edv_stammdaten t2
WHERE t1.gesellschaft = t2.gesellschaft
AND t1.kundennummer_sap =
t2.kundennummer_sap
AND t1.unterkonto = t2.unterkonto) LIKE
branche || '%')))
AS code
FROM edv_belasgv_3_jahre t1
WHERE gesellschaft IN ('T', 'U')
AND (satzart = 'B'
OR satzart = 'G'
AND gegenkonto_art IN (5000, 5001, 7900)))
GROUP BY gesellschaft,
erscheinungsdatum,
buchungsdatum,
code

There is no 10.2.5.0 version - I assume you mean 10.2.0.5.
Pl see these threads on how to post a tuning request (pl post explain plans from both databases)
When your query takes too long ...
HOW TO: Post a SQL statement tuning request - template posting
Pl also compare the init.ora parameters between the old and new database and post any differences here. Have statistics been gathered on the new database ?
Pl see these MOS Docs
TROUBLESHOOTING: Server Upgrade Results in Slow Query Performance [ID 160089.1]
Query Performance Degradation - Upgrade Related - Recommended Actions [ID 745216.1]
Tips for avoiding upgrade related query problems [ID 167086.1]
HTH
Srini

Iphone 4 - signal issues after upgrading to latest ios 6

I upgraded to ios 6, as suggested by itunes on my iPhone 4 and that's last day i was able to make a peaceful call.
My signal just goes for a toss once i make a call. I see the 3g Symbol vanishing and the other person is not able to hear me but i am able to hear them.
Once i disconnect the call, the signal changes to E and then goes to 3G. Tried the below solutions as suggested in forums, but no luck
Please help..I am missing my iphone terribly.
1) Shift + Restore using itunes - Didnt work
2) Reset to Factory setting - Didn't work
PLEASE HELP !!!!

I have taken it out of the case - I figured it would obstruct the sensor (also have no screen protector).
Only thing I haven't tried from the Basic troubleshooting steps you mentioned was to "restore as new".
That I did try it tonight (succesffully restored), BUT my problem still exists.
You mentioned to go in the MAC store > Would they replace it (for free) if they reach the conclusion it's some sort of manufacturer faulty wiring even if it's a 3Gs (as an old model)?
Would they still if phone had water damage (this I'm just curious - the phone didn't)?

Performance issues after upgrading to 8.1

I don't have the most conventional set up. I have my iTunes library on the shared disk of my Time Capsule, this has worked out relatively well, with a few glitches, but ever since upgrading to 8.1 I've been having increased "stuttering" of video playback. The video image will freeze and the audio will continue to play. The defect is worst in videos purchased from iTunes.
Is there any way to increase the playback... buffer, cache? For lack of a better word.

Apple does not support iOS downgrades.
I would take it in for diagnosis/testing.
Barry

After upgrading iPad 2 to iOS 7 , cannot open new tabs in safari . When pushing on " " , Safari close the application .

After upgrading iPad 2 to iOS 7 , cannot open new tabs in safari . When pushing on " " , Safari close the application .

Try a Restart.
Press and hold the Sleep/Wake button for a few seconds until the red "slide to power off" slider appears, and then slide the slider. Press and hold the Sleep/Wake button until the Apple logo appears.
Resetting your settings
You can also try resetting all settings. Settings>General>Reset>Reset All Settings. You will have to enter all of your device settings again.... All of the settings in the settings app will have to be re-entered. You won't lose any data, but it takes time to enter all of the settings again.
Resetting your device
Press and hold the Sleep/Wake button and the Home button together for at least ten seconds, until the Apple logo appears. Apple recommends this only if you are unable to restart it.
Or if this doesn't work and nobody else on the blog doesn't have a better idea you can contact Apple.
Here is a link to their contacts with most of the information below.
http://www.apple.com/contact/

I am facing wifi and mobile 2G signal issue after upgrading to IOS 6 from IOS 5 in IPhone 3GS. Please help, restoring setting even didn't helped.

I am facing wifi and mobile 2G signal issue after upgrading to IOS 6 from IOS 5 in IPhone 3GS. The mobile carrier signal as well as WIFI suddenly drops zero and are then restored automatically. Sometimes i cannot conenct to WIFI even standing infront of WIFI router. Please help, restoring setting even didn't helped.

Update: my phone's connecting to the WiFi again. I don't know what did the trick. I did nothing since reinstalling the software. It hadn't worked then, it is now. I tried connecting to my dad's phone's hotspot( he uses a Moto G), and it worked. I then tried connecting to the WiFi at a friend's house, and when I came back home, my phone was able to connect to my WiFi! Is it of any significance that my friend's router doesn't require a password? My issue has been resolved( for now; I hope I'm not counting my chickens before they've hatched). For anyone facing a similar issue, I suggest you try everything I did:
1. Turn your router off for a minimum of 30 seconds, turn it back on and try connecting.
2. Click on the WiFi network you are connected to, scroll to the bottom, tap "Renew Lease".
3. Do a soft and hard reset.
4. Reset network settings.
5. Back your data up, erase all content from settings menu, restore from backup.
6. Reinstall your software( put it in recovery mode).
I am not sure which of the above worked for me. Make sure you try everything. If none of the above works, take it to a genius bar or an authorised service provider. Good luck! :)

Performance issues after upgrading iPad 1 to IOS 5..

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