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My phone somehow got stuck in a boot loop and I can't fix it. I don't know what to do. I cant get pass the start up animation no matter what I do.

I've tried the fast boot commands to flash and keep getting the error (i dont really know alot about flashing and never done it before but the that what i found suggested in the web..)

FAILED < remote: flash write failure > I've tried the flash-all.bat file, but the lock state goes back to LOCKED when it reboots the device and I get the error

not supported on lock device I can unlock the device when I type fastboot oem unlock, but if the device is restarted it goes back to LOCKED.

I've tried recovery mode and I see the below statements:

E:failed to mount /cache (Invalid argument) E:Can't mount /ache/recovery/log E:Can't open /ache/recovery/log E:failed to mount /cache (Invalid argument) E:Can't mount /ache/recovery/last_log E:Can't open /ache/recovery/last_log E:failed to mount /cache (Invalid argument) E:Can't mount /ache/recovery/last_install E:Can't open /ache/recovery/last_install E:failed to mount /cache (Invalid argument) I've tried wipe data/factory reset

--Wiping data... Formatting /data... E:failed to mount /cache (Invalid argument) Formatting /cache... E:failed to mount /cache (Invalid argument) E:Can't mount /ache/recovery/log E:Can't open /ache/recovery/log E:failed to mount /cache (Invalid argument) E:Can't mount /ache/recovery/last_log E:Can't open /ache/recovery/last_log E:failed to mount /cache (Invalid argument) E:Can't mount /ache/recovery/last_install E:Can't open /ache/recovery/last_install Data wipe complete E:failed to mount /cache (Invalid argument) E:Can't mount /ache/recovery/log E:Can't open /ache/recovery/log E:failed to mount /cache (Invalid argument) E:Can't mount /ache/recovery/last_log E:Can't open /ache/recovery/last_log E:failed to mount /cache (Invalid argument) E:Can't mount /ache/recovery/last_install E:Can't open /ache/recovery/last_install E:failed to mount /cache (Invalid argument)

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    You need to enter the recovery mode and clear the cache. What is the "flash-all.bat" that you are talking about? I take it you attempted to flash a new ROM and then the bootloop happened? What ROM? – Ryan Conrad Jan 20 '15 at 22:31
  • the original rom from google .... and the bootloop happend before.... – Yotam Ziv Jan 21 '15 at 8:56
  • @RyanConrad. flash-all.bat is a script included in the Google factory images for flashing. – HasH_BrowN Jan 22 '15 at 8:41
  • Have you tried WugFresh Nexus Root Toolkit? It's really simple to use. – HasH_BrowN Jan 22 '15 at 8:45

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