dùng u sb không được rồi anh ơi
buschk lỗi

MXKEY Serial: [FT SCR2000 0] - C084B8F0
Connection status: UHCI:HUB::USB 2.00 (Full-speed)
Driver: NMWCD, ver: 7.1.32.67
Module ver: 1.0.0.18624(06-08-2011), Library ver: 1.0.0.12274(06-08-2011)
Make sure USB cable, Battery and charger are removed from device.
Insert USB cable, Battery back to device(make sure to have fully charged battery).
Insert Charger or Press phone's power button(if flashing doesnt start automatically)
Waiting for USB device ...
Device connected: nmwcdnsuc\Nokia USB Flashing Generic, PORT_ID: 472EEA3
CMT SYSTEM ASIC ID: 000000010000022600010006010C192101001101 [RAPGSM ver: 1.1]
CMT EM0 ID: 00000232
CMT EM1 ID: 00000353
CMT PUBLIC ID: 09F001078AD27E56CC2A2B7C191DF70BDF0256E5
CMT ASIC MODE ID: 00
CMT ROOT KEY HASH: BAF3A9C3DBFA8454937DB77F2B8852B1
CMT ROM ID: 191EC665DFAAF68F
Flashing CMT Update Server Data, ULO: 0x38C0 bytes
Update Server code succesfully sent to phone.
Flashing CMT Update Server Data, UPDAPP: 0x3DFC0 bytes
Update Server code succesfully sent to phone.
Flashing CMT Update Server Data, PASUBTOC: 0x4BF80 bytes
Update Server code succesfully sent to phone.
Waiting for USB device removal ...
Device connected: nmwcdnsuc\Nokia USB Flashing Generic, PORT_ID: 472EEA3
Verifying communication to device...
ERROR: Could not verify communication !
Failed to set phone to flashmode, possible reason: Update Agent not running or PASUBTOC corrupted !
Please recover phone using FBUS.
mọi người còn cao kiến gì không chỉ em vs