Updating unlocked g1
Still waiting for Oreo 8.x for my G4 which is running the April 2018 security updates.It would appear that Motorola / Lenovo have given up on their promises for G4 users. Install the Bios Configuration Utility on your system. During the installation process note the installation folder of the "HP Bios Config Utility (BCU)". (Be careful, flashing the bios on your machine is risky). You could also install a version of Cyanogen Mod on the device, I believe that allows you to use wifi to authenticate.I found this tutorial on how authenticate via wifi, but keep in mind, this device is a couple years old now and I don't know if the files needed are still available.The whole BIOS updating procedure should be treated with extreme caution.If you do not encounter any system instability or bugs with the current BIOS version, we suggest that you keep it.
You will be exploiting this flaw to enable ADB access and bring up the Settings menu, from which you can enable Wi Fi and activate the device. The ADP1 device is SIM unlocked, you said you have the Developer version of the G1.
To be able to install some apps, I needed to update it to 1.6.
So I downloaded an update file and put it on its sdcard.
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Visit Stack Exchange I have a T-Mobile G1 phone (Dev Phone) with android 1.0.
You will receive a "System Disabled" message and a digit code. From another working computer, navigate to Clear Bios Passwords page. Type the digit code from the "System Disabled" message and click Get Password. Restart the locked computer and type the suggested password(s) from the Clear Bios Passwords site. If everything goes smoothly then you receive a "Successfully modified Setup Password" message. If you receive an error message says that your "System is not supported. From the extracted files, locate and double click to run the USB Image Tool. Select the USB drive on the left pane and then click Restore. From the extracted HPBR folder, find and select the "HPBR-WIN32" file and then click Open.