1. XxStupendousManxX's Avatar
    Do I update when L releases and factory reset or is there a better way? (Nexus 5)
    09-24-2014 01:09 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! Which device do you have? Usually, when I do a system update, I'll wipe the system cache partition afterwards. I would only do a full factory reset if the device was sluggish or otherwise still misbehaving afterwards.
    XxStupendousManxX likes this.
    09-24-2014 01:24 PM
  3. XxStupendousManxX's Avatar
    I have a Nexus 5. One concern I'm trying to fix is my screen brightness fluctuates randomly with auto-brightness disabled. How would I wipe the cache? I'm not rooted.
    09-24-2014 02:25 PM
  4. Rukbat's Avatar
    I have a Nexus 5. One concern I'm trying to fix is my screen brightness fluctuates randomly with auto-brightness disabled. How would I wipe the cache? I'm not rooted.
    Reboot into recovery and you'll find an option to wipe the cache. But a flickering screen is usually a hardware problem, not a software problem. It could be an LED that's going bad (the backlight for the screen is a panel of LEDs) or a loose connection.
    XxStupendousManxX likes this.
    09-24-2014 02:57 PM
  5. Golfdriver97's Avatar
    Screen flicker is probably hardware. I have that issue too. Doesn't bother me. About half the time, I usually don't notice it.
    XxStupendousManxX likes this.
    09-24-2014 03:45 PM
  6. B. Diddy's Avatar
    Cache partition wipe for the Nexus 5:

    [GUIDE] Nexus 5 Recovery

    Bear in mind that this process can take up to 10 minutes on the Nexus 5. Not sure why.
    09-24-2014 06:16 PM
  7. BizzyB's Avatar
    If it's the brightness variation as you stated and not a screen flicker that's bothering you, you could install Lux app and see if it helps at all.

    https://play.google.com/store/apps/d...vito.lux&hl=en
    09-24-2014 06:21 PM

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