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Question

hi team vivo y55 5g v2127 pd2166bf after connecting box set is dead mtk port showing how to solve this problem

my whatsapp number 00923458663823 please contect me

same number telegram

Answer 1

Hello. Flash stock firmware for unbrick.

Comments

Host Power Off... OK
Switch virtual port to NONE... OK
Connect Type-C to HUB... OK
Host Power On... OK
Connect phone to [BOX] in BROM/PRELOADER Mode
Waiting for device... OK
Driver: [MediaTek Inc.,wdm_usb,MediaTek USB Port,usb2ser.sys,3.0.1504.0]
Device found at COM3 [BROM]
Open port... OK
Send start cmd... OK
Get HW code from device... 0989
Get sec config... OK [000000E5]
Active sec flags: [SBC DAA]
Get HW & SW version from device... OK
HW VER: CA00, SW VER: 0000, HW SUB CODE: 8A00
Detect chip [MT6833]
Library Version [2]
Select platform... OK
Init BROM... OK
Force Charge... OK
Disable WatchDog Timer... OK
Force switch to BROM... OK
Host Power Off... OK
Switch virtual port to USB... OK
Connect Type-C to BOX... OK
Host Power On... OK
Waiting for device... OK
Read usbhost speed... HIGH
Read Device Descriptor...
Get VID/PID...0E8D/0003
Send start cmd... OK
Get HW code from device... 0989
Get HW & SW version from device... OK
HW VER: CA00, SW VER: 0000, HW SUB CODE: 8A00
Detect chip [MT6833]
Get sec config... OK [000000E5]
Active sec flags: [SBC DAA]
Release testpoint
Advanced Bypass Security... OK
Switch virtual port to NONE... OK
Connect Type-C to HUB... OK
Waiting for device... OK
Driver: [MediaTek Inc.,wdm_usb,MediaTek USB Port,usb2ser.sys,3.0.1504.0]
Device found at COM3 [BROM]
Open port... OK
Send start cmd... timeout(S_BROM_CMD_STARTCMD_TIMEOUT)

Selected model: Vivo V2127 (Vivo Y55 5G)
Operation: Read PTT
Software version: 5.0

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Untick force brom and repeat.

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https://ibb.co/ncGhSkW

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not working

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anydisk id send it chek it

334 991 507

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Use testpoint, all should be ok.

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send me tesrt point

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send me test point

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not working :v Geometry Dash

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Answer 2

It sounds like a frustrating issue with your Vivo Y55 5G becoming dead after connecting to a box, especially when only the MTK port is showing. Problems like this often happen due to firmware mismatch or an interrupted flashing process. You’ve shared your WhatsApp and Telegram for help, which is great, but it may also help to check trusted tech forums where users discuss similar cases and solutions. Communities built around device repair can be really useful, especially when members support each other like a friend ranking system, helping those who face the same technical challenges.