Hey guys, just got the 32gig nexus 7 for Christmas and I love it! I rooted and flashed cyanogen and it's nice, but I would love to try other roms. I have bought titanium backup and made a back up, but I've hit a wall here in my logic - since there's not external storage, won't wiping the data delete my back up?
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I don't believe it will because the storage for you stuff is actually labeled as /sdcard/. I know that my One X does not wipe my "sdcard" data when I've flashed from Sense ROMs to CM10 and the device is built pretty much the same with onboard storage.
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No, wiping data only wipes /data, as the name suggests.
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If you use TWRP, do NOT format data. Hit the factory reset button and it will wipe everything except /data/media which is where your emulated SD card is. Since you're interested in trying other ROMs, why not try MultiROM? It's quite stable and very functional. I dualboot PA and CM10.1 at the moment and I will be adding more later if I feel like setting up another one.
Here's a link for MultiROM recovery: http://forum.xda-developers.com/showthread.php?t=2011403
Don't be intimidated, it's actually quite easy to install. Just flash the zip then fastboot install the modified TWRP recovery. Easy peasy.
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I would like to ask that when I wipe data in recovery , what will actually be wipe, will my photo or music be wipe?
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If you wipe data in recovery mode, it'll wipe everything. Everything.
I mean in custom recovery, if it will wipe everything even the zip in sd card then how can we actually flash rom? Sorry for my silly question, cause my previous phone can use sdcard which don't got this problem....
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If you wipe data in recovery, it doesn't wipe your photos or music.
It only wipes your apps, system apps and their data. Also resets the phone.
Then only way you wipe your photos or music is if you go to;
mount and storage > format sdcard.
WHICH YOU DON'T WANT TO DO!
So if you want to flash a custom ROM;
In your recovery you;
Wipe data & Factory Reset
Go go Advance > wipe dalvik cache
Flash your ROM.
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Thanks, that's mean it's just the same way as defy, how about how about flash a kernel? Because as defy's boot loader are locked, we can't actually flash a really kernel, just the 2nd boot kernel
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ansontyl96 said:
Thanks, that's mean it's just the same way as defy, how about how about flash a kernel? Because as defy's boot loader are locked, we can't actually flash a really kernel, just the 2nd boot kernel
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Well if your bootloader is locked, look around the development thread for the nexus 4 utility 1.3.0
That unlocks, roots, install recovery and all sort of stuffs.
To flash a kernel to a stock or custom ROM;
Boot to recovery
Format Cache
Format dalvik cache
Flash
Reboot.
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Unlocking bootloader will wipe EVERYTHING on your phone.
what would i have to do if i wanted to wipe my sd card? stock clean??
i've taken up 2gb of data because i tried to make a system back up but i've done it like 3 time and i can't find the backup zips so i just want to clean the SD card back to the begining without messing up the system data since i'm not flashing anything new
I have the same doubt. What is the best way to format SD card?. I did it once and had to inject the ROM with computer using ADb. Any alternative?
Sparta507 said:
what would i have to do if i wanted to wipe my sd card? stock clean??
i've taken up 2gb of data because i tried to make a system back up but i've done it like 3 time and i can't find the backup zips so i just want to clean the SD card back to the begining without messing up the system data since i'm not flashing anything new
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I initially rooted and flashed twrp recovery on my nexus 7 and then I decided to go to clockworkmod recovery since I'm very familiar with clockworkmod and I use ROM manager app. I'm not sure but I think twrp recovery images are still taking up space in my storage because I have one nandroid backup and I only have 19GB of 27.58GB storage. I have 1.6GB in apps, 0.8GB in titanium backup and 0.7GB misc. Downloads. Thanks in advance.
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If you have remaining TWRP backups they will be in the TWRP folder on your SD... If you are certain you won't be using TWRP in the future just delete the folder. A better idea would probably be to move it to your PC just in case you might want them again...
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I booted into TWRP to flash AOKP and when i was wiping the system partion it crashed and now the system partition wont mount. I'm at a loss. I can't flash anything because the system won't mount.
anybody have any suggestions? thank you
i'm on the latest version btw.
Yea, seems to happen easily. Don't know if its the device or TWRP.
You can install a factory image, restore a nandroid backup, or flash a new Rom using a flash drive/otg cable.
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Sounds liked you formated. When changing the base rom, all that I ever do is factory reset, which will wipe without touching data/media. If flashing a rom with the same base just cache/dalvik. The virtual SD card is stored in data/media. If it was formated you erased your stored zips, and you'll have to fastboot a new zip into it. If you have anything stored on an external thumb drive, sd card, etc you also can transfer one over that way.
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freshlysqueezed said:
Yea, seems to happen easily. Don't know if its the device or TWRP.
You can install a factory image, restore a nandroid backup, or flash a new Rom using a flash drive/otg cable.
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Does that work in twrp. It doesn't recognise my laptop when its connected . says something about an otg error ...
You can always flash using fast boot though
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I keep all my nandroid backups on my 32gb usb flash drive for emegencies as described by the op. You can then restore from the usb flash drive/otg using twrp.
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---------- Post added at 12:37 PM ---------- Previous post was at 12:34 PM ----------
djd338 said:
Sounds liked you formated. When changing the base rom, all that I ever do is factory reset, which will wipe without touching data/media. If flashing a rom with the same base just cache/dalvik. The virtual SD card is stored in data/media. If it was formated you erased your stored zips, and you'll have to fastboot a new zip into it. If you have anything stored on an external thumb drive, sd card, etc you also can transfer one over that way.
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Agreed user error can accidently wipe the sd card, but sometimes twrp crashes and will corrupt your storage and it won't mount. I think that is what the op is describing.
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Got my Nexus Thursday so rooted and flashed recovery (twrp) Friday and did a nandroid in prep to flash aosp ROM but when I went looking for the file I noticed its in /data/media/tarp/backups as opposed to /sdcard/tarp/backups. Is there a way to change the directory? I created the backups folder under the trwrp on the sdcard but the backup didn't save there where I did a 2nd nandroid as a test. Do I need to fix permissions or anything?
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/sdcard is a link to /data/media. They are three same file.
Just make sure you use the latest version in TWRP as it properly handles the changes in directories introduced in 4.2.
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Cool. I downloaded the image from the twrp site and installed via adb so it should be correct. I guess I can install Goo Manager and make sure its up to date. I was concerned that if I wipe /data before a restore that I'll delete the nandroid.
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Note that in TWRP a factory reset will format /data EXCLUDING /data/media. This means it won't wipe your /sdcard.
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BillGoss said:
Note that in TWRP a factory reset will format /data EXCLUDING /data/media. This means it won't wipe your /sdcard.
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Thanks. That is exactly what I was concerned with so great to know.
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Hello,
I had AOKP ROM. Now, new build of slimbean was released so I want to flash slimbean. I flashed it but I found a lot of folders and files from AOKP in storage (yes, I did wipe - format via TWRP). How can I format storage and then flash slimbean please? I want to delete all from my nexus 4.
Thank you
Factory reset in twrp won't delete the contents of your internal sdcard. Use the format data option to do this. Keep in mind this is not necessary to do when switching ROMs.
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chromium96 said:
Factory reset in twrp won't delete the contents of your internal sdcard. Use the format data option to do this. Keep in mind this is not necessary to do when switching ROMs.
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Already used format in TWRP. Used Nexus 4 ToolKit for flashing stock ROM, then I used Nexus Root Toolkit for root and now I'm flashing new slimbean via TWRP. Hope, all will works fine.
I know, it's not necessary but I don't like files from other ROMS in storage