I checked a Revvl 6x 5g with Sim Unlocker Pro to see if it was possible to unlock, and the Sim Unlocker said yes and 4 credits was the price. I tried to unlock and I get the following error:
Operation : Unlock Network
Connect ADB Device [BS98126AA1472400007] : DONE
Model : TMRV065G
Brand : Wingtech
AP/CP Version : SW_S98126AA1_U_V026/MOLY.NR15.R3.MP.V151.P14
Android Version : 14
Carrier ID : Unknown
Hardware ID : MT6833
SIM State : NETWORK_LOCKED
Security Patch : 2024-09-05
USB Config : adb
IMEI : 864947064392043
Checking if Model Supported : ok
Operation : Direct Unlock
User Agreetments [4 Credit] : OK
CHANGING TO MTK MODE
IF THE PHONE IS NOT AUTO DETECT PLEASE RECONNECT CABLE
Waiting for mtk usb device : ok
Driver : Preloader COM18 MediaTek Inc. - 3.0.1512.0 - 1-4-2023
Chipset ID : Dimensity 700 / MT6833
Found Preloader Port trying to crash : ok
Waiting for mtk usb device : ok
Driver : Preloader COM18 MediaTek Inc. - 3.0.1512.0 - 1-4-2023
da_cert_key_not_match [0x7024]
Please Turn on the Phone and Repeat
Elapsed Time : (00:24)
#- SIM-UNLOCKER (PRO) 9.0.6 [Build:2024.12.31]
Saving Log[Logs/Unlock Network TMRV065G-BS98126AA1472400007 (2025_1_13 11.54.39).log] : DONE
What does this error mean: da_cert_key_not_match [0x7024] ?
Operation : Unlock Network
Connect ADB Device [BS98126AA1472400007] : DONE
Model : TMRV065G
Brand : Wingtech
AP/CP Version : SW_S98126AA1_U_V026/MOLY.NR15.R3.MP.V151.P14
Android Version : 14
Carrier ID : Unknown
Hardware ID : MT6833
SIM State : NETWORK_LOCKED
Security Patch : 2024-09-05
USB Config : adb
IMEI : 864947064392043
Checking if Model Supported : ok
Operation : Direct Unlock
User Agreetments [4 Credit] : OK
CHANGING TO MTK MODE
IF THE PHONE IS NOT AUTO DETECT PLEASE RECONNECT CABLE
Waiting for mtk usb device : ok
Driver : Preloader COM18 MediaTek Inc. - 3.0.1512.0 - 1-4-2023
Chipset ID : Dimensity 700 / MT6833
Found Preloader Port trying to crash : ok
Waiting for mtk usb device : ok
Driver : Preloader COM18 MediaTek Inc. - 3.0.1512.0 - 1-4-2023
da_cert_key_not_match [0x7024]
Please Turn on the Phone and Repeat
Elapsed Time : (00:24)
#- SIM-UNLOCKER (PRO) 9.0.6 [Build:2024.12.31]
Saving Log[Logs/Unlock Network TMRV065G-BS98126AA1472400007 (2025_1_13 11.54.39).log] : DONE
What does this error mean: da_cert_key_not_match [0x7024] ?