Samsung SM-A800I Working CERT and EFS File.

Samsung A800i unlock and repair Imei: 350000000000006

How to write EFS & CERT

  • Phone must be rooted!
    If the software can’t root SM-A800i phone automatically,then you must root your device manually.
    Power on the phone.
  •  Tap 7 times on ‘Build number’ in ‘Settings ->About phone -> to enable ‘Developer options’,
    go to ‘Settings ->Developer options -> and enable ‘USB debugging’.
  •  Connect the phone to PC with USB cable, install drivers if needed.
  •  Select device in ADB settings.
  •  Press  ‘Write EFS’ to restore.
  •  Press  ‘Write CERT’ to restore.
  •  Press ‘Write NV DATA’ if you need to restore NV backup.

Download Given file – SM-A800I CERT EFS By hellomobilecare

A800i Write CERT & EFS

A800i Write CERT & EFS

Waiting ADB device... OK
 Reading phone info...
 Model: SM-A800I
 Android version: 5.1.1
 Product code:
 Phone version: A800IXXU1APB1
 PDA version: A800IXXU2APB2
 CSC version: A800IOJV1APB1
 CSC country code: Iraq
 CSC sales code: MID
 HW version:
 Phone S/N: R58H523ZBQN
 Modem board: SHANNON333
 RF cal date:
 Checking Super user right... true
 Initializating zTool... OK
 Running zTool, please wait...
 Start... OK
 Init... OK
 Generate and check client proof... OK
 Verify proof by client... OK
 Reading data... OK
 HWID: 18 70 3C F5 0E 05 00 00 00 00 00 00 00 00 00 00
 Initialization AT RIL...
 AT RIL stopped, restarting...
 Checking for compatible phone and cert
 Phone KEY ID: 0838
 Checking certificate file... OK
 KEY ID: 0838
 Reading nv data... OK
 Checking NV data... OK
 Calculating... OK
 Writing nv data... OK
 Rebooting phone... OK
 Write CERT done
 Done with Samsung Tool PRO v.25.9

For Password Please Contact Us .

Important: Take a backup of your personal data before flashing or installing the firmware on your smartphone. As this helps you to recover the personal data whenever any thing wrong happens.

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