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[Solution] No OS installed

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(Last edited by yatindroid; 25th June 2014 at 06:44 AM.)
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Thanks Meter 359
Posts: 1,372
Join Date: Sep 2009
Location: Jaipur
Default [Solution] No OS installed

[Solution] No OS installed

This problem asked so much times so here some solution
this problem arise when wyou by mistake delete phone storage in custom recovery with formatting System

>>fastboot getvar all
>>full working adb drivers for adb sideload
>>TWRP for sideload
>>USB-OTG cable
>>RUU rom exe/zip or Guru Reset Rom or Nandroid Backup

1. RUU
  • Reboot phone to fastboot (vol down + power) phone should show fastbootUSB
  • Run RUU.exe or
  • Put to fastboot folder
  • fastboot oem rebootRUU
  • fastboot flash zip
  • fastboot flash zip
  • fastboot reboot-bootloader
If your phone is S-On you can flash same or higher version ruu you also need LOCKED/RELOCKED bootloader.
If your phone is S-Off you can flash low/same/high version bootloader condition not needed.
Now you Can reboot to System.

2. Guru Reset Rom or Custom Rom
  • A. put zip file to USB
  • attach USB to phone reboot to TWRP
  • TWRP>> Mount usb-otg>> install choosing file from usb
  • B. ADB sideload
  • put zip to adb folder in PC
  • rename it to
  • TWRP>>advance>>sideload>>start sideload
  • adb command in PC
  • adb sideload

3. Nandroid Backup
extract nandroid files to USB drive make folder TWRP/BACKUPS/Your_Device_Serial_No/1
connect USB otg to phone
start TWRP >> Mount>> mount USB>> Restore click on Phone storage option select USB-OTG
then select folder 1 restore started
finish it reboot
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yatindroid's Avatar
Senior Member - OP
Thanks Meter 359
Posts: 1,372
Join Date: Sep 2009
Location: Jaipur
Lightbulb How to extract from RUU.exe

How to extract from RUU.exe
Run RUU.exe in windows
start button>> run command box>> %temp% enter
temp folder open find a long name folder this is containing
copy zip to desired location
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