Please help me my son's phone broke during the firmware now the phone does not work forever the bootloader is locked SIM card is not available to enter my account password we don’t remember there are documents box purchase receipt everything is our phone to flash it you need to enter my account and unlock the bootloader help please, I want to bind another number to my account this number +380956382587 old phone number was this one +380952114976 but since his son was not replenished it was blocked and turned off and sent on sale in general it cannot be updated