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Go Back   GSM-Forum > Product Support Sections > Hard/Software Products (official support) > UnlockTool

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Old 11-24-2022, 19:23   #1 (permalink)
Junior Member
Join Date: Jul 2022
Location: Colombia
Age: 18
Posts: 4
Member: 3016795
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Vivo y21

Hey guys. I have this Vivo Y21s, I tried to repair imei with the Unlocktool in test point mod, but can't repair the model succesfully and the phone stuck in MTK USB Port, and when i'm try to flash. This error appear:

Syncing with target... FAIL
Failed to receive SYNC! Result : 0xFFFF
UNLOCKTOOL 2022.11.24.0
Elapsed time : 50 seconds
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