volume up +volume - and connect usb
ERASE FRP Initializing usb... OK
Waiting for device... COM17 [BOOTROM:0E8D:0003]
Bypassing authentication... OK
Analyzing... preloader_bd4a_xq656.bin [MT6761:3:592] [Internal]
Handshaking... OK
Reading hardware info... OK
Hardware : MT6761 [Helio A20|A22|A25|G25|P22] 0717 8A00 CA01 0200
Security Config : SCB SLA DAA
MEID : 791E994F572659D3BA93C3185CC31383
Sending Download-Agent... OK
Syncing with target... OK
Booting device... OK
Syncing with DA... OK
Storage : EMMC - CID : 54000170.3330334A.27070132.3F796931
Vendor : Kingstone - Name : TJ3032 - Serial : 1764828935 - Rev : 1
Boot1 : 4 MiB - Boot2 : 4 MiB - RPMB : 4 MiB - User Area : 29.13 GiB
Reading partition info... OK [48]
Reading device info... OK
Model Name : TECNO BD4a
Product Name : BD4a-OP
Manufacturer : TECNO MOBILE LIMITED
Platform : TECNO-BD4a
Android Version : 11
Security Patch : 2022-08-01
Build ID : TECNO-RGo-32-220823V168
Build : 220823V245
Build Date : Tue Aug 23 17:33:45 CST 2022
Erasing FRP... OK
UNLOCKTOOL 2023.03.29.0
Elapsed time : 18 seconds
ERASE FRP Initializing usb... OK
Waiting for device... COM17 [BOOTROM:0E8D:0003]
Bypassing authentication... OK
Analyzing... preloader_bd4a_xq656.bin [MT6761:3:592] [Internal]
Handshaking... OK
Reading hardware info... OK
Hardware : MT6761 [Helio A20|A22|A25|G25|P22] 0717 8A00 CA01 0200
Security Config : SCB SLA DAA
MEID : 791E994F572659D3BA93C3185CC31383
Sending Download-Agent... OK
Syncing with target... OK
Booting device... OK
Syncing with DA... OK
Storage : EMMC - CID : 54000170.3330334A.27070132.3F796931
Vendor : Kingstone - Name : TJ3032 - Serial : 1764828935 - Rev : 1
Boot1 : 4 MiB - Boot2 : 4 MiB - RPMB : 4 MiB - User Area : 29.13 GiB
Reading partition info... OK [48]
Reading device info... OK
Model Name : TECNO BD4a
Product Name : BD4a-OP
Manufacturer : TECNO MOBILE LIMITED
Platform : TECNO-BD4a
Android Version : 11
Security Patch : 2022-08-01
Build ID : TECNO-RGo-32-220823V168
Build : 220823V245
Build Date : Tue Aug 23 17:33:45 CST 2022
Erasing FRP... OK
UNLOCKTOOL 2023.03.29.0
Elapsed time : 18 seconds