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Mar 23, 2018

vivo y21L Pattern unlock Done with UMT Dongle

[Tested ] Vivo y21L Pattern unlock solution with UMT Dongle

Vivo Y21L Pattern Unlock and Format Solution by UMT Dongle, Full step by step procedure guide with images.
vivo y21L Pattern unlock Done

How to unlock pattern lock of vivo y21L and format solution

  1. Connect UMT Dongle and Run UMT Software.
  2. Go to "Read & Tools" Tab.
  3. Tick mark on "Auto detect" option.
  4. Tick mark on "Reset device on finish"

Information

Operation : Format FS
Checking for existing devices...Found
Port : Qualcomm HS-USB QDLoader 9008 (COM73)
Driver Info : Huawei Incorporated, qu_usb_serial.sys, 2.1.1.0
Opening Port...OK
Init Handshake Sequence...OK
Hardware ID : E1507000 [8916] 00000000
OPK_DATA : 9CBA94693C2333A562BCF0E0E981C558748817D002F543B2A26AB1B4B3F1CF9E
Initializing Protocol...OK
Using Auto Loader Selection [1]
Preparing Firehose Loader...Done
Sending Loader [8916_014.ufl]...Done
Executing Loader...OK
Detecting Chip Type...OK
Hardware : 8916, eMMC, 16 GB
LU Count : 1 [0x01D1F000] 
WARNING! High Speed Driver is not installed.
Please install driver from QcFire\Drivers folder using Device Manager.
Payload Info : In: 65536 [4096], Out: 16384, Sector Size: 512
Reading Partition Table...OK
Reading Device Information...OK
Device : vivo vivo Y21L [msm8916]
Software : LMY47V release-keys, eng.compiler.20170915 [Fri Sep 15 17:26:03 CST 2017]
Android Ver. : 5.1.1
Patch Level : 2017-09-01
Preparing Data...Done
Formatting Userdata...Done
Finalizing...Done
Operation Finished.


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