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Support Android 5.0.1 Cellular Network Problems

Discussion in 'Android Devices' started by Tufan, Dec 25, 2014.

  1. Tufan

    Tufan Lurker
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    Hi,
    First of all I'm sorry for my grammer mistakes.
    I have a Nexus 4 and my phone was working normally before update android 5.0 and 5.0.1.
    After I updated the phone, my battery performance has reduced nearly a half of before. I was charging it every other day but now I have to charge it everyday.
    And when my battery charge falls below of 30%, the phone is frequendly lose it connection with cellular network and ask me the pin code.
    I reset the phone, changed the sim card and even changed the cellular network provider, but no one solve my problem.
    I even tried to go back to 4.4.4 but I didn't find any way.
    Thanks in advance for all the help.
     

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  2. codesplice

    codesplice Elite Recognized Moderator
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    Hi @Tufan, and welcome to AF :)

    Battery issues can be pretty tricky to track down, but I'll do my best to help.

    When you say that you have reset the phone - was that a full Factory Reset or just a reboot? If you haven't done a full factory reset since the upgrade, I highly recommend that you do so. 4.4.4 -> 5.0.x was a HUGE change, so it's highly possible that there's some old data lingering around and causing issues. There are some good instructions on that process here if you're unfamiliar with it.

    Can you post a screenshot of your Battery Usage page? (Settings > Battery) Take a screenshot by pressing Volume Down + Power.

    You may also want to try booting into Safe Mode, which will help you figure out if a third-party app may be causing you headaches.
     
    lunatic59 likes this.
  3. Mike Clark3

    Mike Clark3 Lurker
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    Hi @codesplice Read your reply to @Tufan with interest. I have always fought shy of full factory reset fearing that all my apps and personal settings would go down the pan. Are my fears correct or unfounded?

    Asked and answered, I've since read lunatic 59's piece. I'll stay well clear!
     
  4. codesplice

    codesplice Elite Recognized Moderator
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    Hi @Mike Clark3 and welcome to AF :D

    You are correct: a factory reset does exactly what it says on the tin - it resets things to factory-default settings. This means that your applications, data, preferences, and settings are cleared out. It can be quite an inconvenience to have to get everything set back up, but is also an important troubleshooting / corrective step when trying to track down an issue such as the one described here.
     
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  5. lunatic59

    lunatic59 Moderati ergo sum
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    Hello Mike! :)

    You should think seriously about the factory reset. In extreme cases we recommend flashing the factory firmware to absolutely clear everything out of your old phone. I do understand the apprehension with losing files and settings, but that could easily happen with a misbehaving phone when one day you wake up and it won't respond and the only way to have a working device again is to reset or flash it. Then your stuff is really gone. :(

    Yeah, it's a bit of a pain, but think of it more as a safety drill and an exercise in backup strategies. We help a lot of people after the fact and trust me, you don't want to be one of "them". ;)

    If you've got critical data on your phone or pictures you couldn't stand to lose, you should be backing them up anyway. The biggest surprise for most folks is messaging and email. Those are stored in a protected database and can't simply be copied off the phone. They must be backed up using an app or the cloud. If you've got specific concerns about data loss, then we'll be happy to help you safeguard your information. We charge 1 donut per gigabyte of data. ;) :D
     
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  6. Mike Clark3

    Mike Clark3 Lurker
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    Cheers lunatic,
    I'll bank that for now but go easy on the doughnuts ( limey spelling )
     
  7. EarlyMon

    EarlyMon The PearlyMon
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    A good non-rooted backup solution is Helium Backup in the Play Store.

    Backup, reset, restore is something that you can develop a rhythm with and it's mighty helpful.
     
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  8. Tufan

    Tufan Lurker
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    Thanks for all advices. I think I fixed the problem by changing the battery. But before of that I installed CyanogenMod and now I can control the cpu performance. Yesterday morning I charged the battery and after a lot of calling it still has 70% charge. Thanks a lot again.
     
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