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  1. Thread Author  Thread Author    #1  

    Default [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    If any device starts to behave oddly or slowly, there's a decent chance that wiping the system cache partition can help. The system cache partition is a storage area for system data such as logfiles, frequently accessed app data that has been temporarily cached there, and downloaded apk installer files from Google Play. Over time, this temporary data can build up and potentially contribute to system slowdowns or even misbehavior. Clearing this cache partition can potentially help, and should never be harmful, because no personal data will be lost.

    The system cache partition is different from individual app caches that can be cleared in the Settings/Apps menu, or by using apps like App Cache Cleaner. Clearing the individual app caches can free up storage memory, but won't necessary address any system issues.

    In order to wipe the cache partition, you need to access the device's Recovery Menu. Many devices allow you to access the stock Recovery Menu by executing a certain pattern of button presses, but certain devices lock you out of the Recovery Menu. You can get around this by installing a custom recovery, but that's beyond the scope of my experience. Trying to find out how to access the Recovery Menu for a given device can sometimes be frustrating, even with a Google search. You may need to use search terms like recovery, cache partition, or reset, along with the name of your device.

    The steps for accessing the Recovery Menu on the 2012 and 2013 Nexus 7 can be found here (https://support.google.com/nexus/answer/2668187?hl=en), but the directions are specifically for a Hard Reset (i.e., a complete device wipe). The following instructions are a slight modification, in order to wipe the cache partition. Apologies for the suboptimal picture quality--you can't take screenshots in the Recovery Menu, and I don't have a professional setup to take photos of a screen!

    1. Power the tablet down.

    2. Now press and hold Power. As soon as you see the Google logo appear, immediately press and hold Vol Down (while still holding Power).

    3. Keep holding Power and Vol Down until you see this screen:

    [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe-dscn0441.jpg


    4. Use the Volume keys to select Recovery (press Vol Down twice), and then press Power.

    [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe-dscn0442.jpg


    5. You'll see the Google logo appear for about 5-10 seconds, then our little friend will show up looking a little piqued.

    [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe-dscn0434.jpg


    6. While pressing and holding Power, press the Vol Up button, then release both buttons. You don't have to hold either button down for very long. The Recovery Menu will now appear:

    [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe-dscn0444.jpg


    7. Once again, use the Volume buttons to move the cursor up or down. Press Vol Down 3 times to highlight "wipe cache partition," then press Power to execute.

    [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe-dscn0445.jpg


    8. You'll see some notifications about the progress at the bottom of the screen--it shouldn't take any longer than 10 seconds or so to complete. When done, the Recovery Menu will appear again, with "reboot system now" already highlighted.

    [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe-dscn0446.jpg


    9. Press the Power button, and your Nexus 7 will reboot, hopefully with a little faster and smoother performance!


    IN CASE YOU'RE WONDERING, I'll be on vacation from 7/27 to 8/13, with only intermittent web access. So if you don't see me around much, don't worry, I didn't defect to another site or anything like that.
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  2. #2  
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    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Excellent write up.
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    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    great write-up, especially for noobs.
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  4. #4  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Great job!

    Sent from my Nexus 4 using Tapatalk 2
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    Rich215's Avatar

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    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Does this still work with KitKat?

    I am on 4.4.2 and get stuck on step 6, it wont get past the No command screen to enter the Recovery Menu if I press power and Vol up.

    ===========================================================================================

    EDIT....ok it does work fine, but the above step 6. should be worded diff. When you press and hold the power button, then press the vol up button and let go while still holding down the power button. I figured it out from watching this guy do it to a N4

    Very quick and easy process.....just hope it gets rid of a big system freeze that did not go away with the last 2 updates for me though.
  6. Thread Author  Thread Author    #6  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Thanks for that tip, although I've never had any problem with releasing both Power and Volume Up at the same time.


    IN CASE YOU'RE WONDERING, I'll be on vacation from 7/27 to 8/13, with only intermittent web access. So if you don't see me around much, don't worry, I didn't defect to another site or anything like that.
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  7. #7  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Excellent, thanks for the write up. Just did it on my 2013, but really wanted to just test it. I'm responsible for 9 2012 units in the family and a couple of those are getting a little buggy. Thanks again.

    Sent from my Nexus 7 using AC Forums mobile app
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  8. #8  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Thanks for the easy to use guide. I've never tried anything like this with my Androids, as I didn't want to screw anything up. These directions couldn't have made it any easier. Hopefully my Nexus7 stops randomly restarting now. I really don't want to have to return it.
  9. Thread Author  Thread Author    #9  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Quote Originally Posted by pktchunk View Post
    Thanks for the easy to use guide. I've never tried anything like this with my Androids, as I didn't want to screw anything up. These directions couldn't have made it any easier. Hopefully my Nexus7 stops randomly restarting now. I really don't want to have to return it.
    Glad you found it helpful! If you still have random restarts, also try booting into Safe Mode (https://support.google.com/nexus/answer/2852139?hl=en). This disables all 3rd party apps, and can help you narrow down the problem to something you installed vs some inherent problem with the system files or the hardware. If random restarts persist even on Safe Mode, you have a problem device, and you should talk to Google or wherever you bought it about an exchange or refund. If it's too late for that, contact Google or Asus for warranty work.


    IN CASE YOU'RE WONDERING, I'll be on vacation from 7/27 to 8/13, with only intermittent web access. So if you don't see me around much, don't worry, I didn't defect to another site or anything like that.
  10. #10  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Thank you for your information! After following your steps, its been over a week since I've had a random reboot - which was happening multiple times a day!
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  11. #11  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Yeah this is a very informative write up. Thanks for the diligent work you do on this forum.
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  12. #12  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Thank you very much for this! Great, clear instructions too :-) I have just done it on my 2012 nexus 7 running 4.4.2. For a while now, but particularly lately, it has been lagging really badly, like, for example when I rotate the screen it has trouble keeping up etc. and has just become generally less responsive. Is this normal?
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  13. Thread Author  Thread Author    #13  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Welcome to Android Central! Glad you found this useful. I wouldn't say that the lag is "normal," but it's also not too surprising for the 2012 Nexus 7. Unfortunately, it can be hard to pinpoint what exactly causes the lag. A lot of times, it clears up after a simple reboot, but the cache partition wipe can also help.


    IN CASE YOU'RE WONDERING, I'll be on vacation from 7/27 to 8/13, with only intermittent web access. So if you don't see me around much, don't worry, I didn't defect to another site or anything like that.
  14. #14  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Quote Originally Posted by beadyeyedgirl View Post
    Is this normal?
    How much free space do you have? If you don't have ~20% free the OS can get bogged down severely.

    You can also use something like Clean Master https://play.google.com/store/apps/d...nmaster.mguard to clean the app caches once in awhile.

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM -0.001 using Tapatalk
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  15. #15  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Nexus 7 (2013), KitKat.

    Front-facing camera had ceased to work ... Skype.
    Default Android camera worked (back-facing), when I tried front facing, it stopped working and subsequent attempts to access camera returned "Could not connect to camera". Third party camera worked fine but refused to go to front facing.

    I applied the above process.

    All working fine now.

    Thank you


    Sent from my Atari STE upgraded to 4 meg of ram.
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  16. #16  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Thanks very much for this. My 2013 N7 (running 4.4.2) started going down to only about 1 day on the battery even in standby mode when it used to last about 4+ days. After the the wipe, it is now back to 4+ days. All went as described.
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  17. #17  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    I have the same problem the other lady had I a going to keep trying each of the steps when Iget ther e
  18. #18  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    My nexus 7 is at snail pace. 34% in 30 hours. how do I solve this problem
  19. Thread Author  Thread Author    #19  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Quote Originally Posted by harrybrown54 View Post
    My nexus 7 is at snail pace. 34% in 30 hours. how do I solve this problem
    Welcome to Android Central! It would be better for you to post in the proper Nexus 7 forum depending on which generation you have:

    Google Nexus 7 Tablet (2013) - Android Forums at AndroidCentral.com
    or
    Google Nexus 7 Tablet (2012) - Android Forums at AndroidCentral.com

    Make sure you give us more details. Is it just running slow? Does it lag when opening apps? How many apps do you have installed?
    You also included what I assume is the remaining battery after 30 hours--battery use isn't necessarily the same problem as slow performance. If battery life is an issue, make sure you post screenshots of your battery stats and battery graph after running the battery down to 20-30%.


    IN CASE YOU'RE WONDERING, I'll be on vacation from 7/27 to 8/13, with only intermittent web access. So if you don't see me around much, don't worry, I didn't defect to another site or anything like that.
  20. #20  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Quote Originally Posted by Rich215 View Post
    Does this still work with KitKat?

    I am on 4.4.2 and get stuck on step 6, it wont get past the No command screen to enter the Recovery Menu if I press power and Vol up.

    ===========================================================================================

    EDIT....ok it does work fine, but the above step 6. should be worded diff. When you press and hold the power button, then press the vol up button and let go while still holding down the power button. I figured it out from watching this guy do it to a N4

    Very quick and easy process.....just hope it gets rid of a big system freeze that did not go away with the last 2 updates for me though.
    "3." should say 'tap vol down' also. Not "hold." Hold power but tap vol.
    Photoshop and drums, seven of my favorite things.
  21. #21  
    Rich215's Avatar

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    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Yes still works with current 4.4.4 And you are right, with my N7 2013...i only had to tap the vol up button while holding down the power button.
  22. #22  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    I know this is responding to an old posting... but somebody else has got to experiencing the same problem. And I've googled and googled and googled... I get to about step 4 where I have Recovery Mode selected and the instructions are to push the power button and the little guy with a red x should show up. No little guy with a red x shows up... just the Google logo... and I'm dead in the water again... I feel like there's some simple combination that I'm missing... running perfect one day and then boom (one week out of warranty)
  23. #23  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    This absolutely resolved my problem and worked out some other issues I was having. KUDOS!
  24. #24  
    Spaz888's Avatar

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    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    With the 2012 Nexus 7, wiping the cache partition won't help with the horrific lag and sluggishness. However, formatting the partition to F2FS which is the real reason the Nexus 7 2012 is slow, not so much as a result of the hardware: How to speed up your original Nexus 7, and others? | Pocketnow

    Unfortunately, the instructions on how to convert the partition to F2FS are all over the place, incomplete, and are complicated as heck. I'd pay some Android "geek" to do this for me if I can bring back life to my 2012 Nexus 7.
  25. #25  

    Default Re: [GUIDE] Nexus 7 (2012 & 2013) Cache Partition Wipe

    Awesome instructions, thanks
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