Command-line (adb/fastboot for Android; sysupgrade for OpenWrt)
But one of them is the only copy of a car’s factory ECU map. Another is a lost indie game prototype. And one—just one—is probably malware waiting to phone home. Cm69-update.bin
The update can take anywhere from 2 to 10 minutes. The device may reboot several times. until you see the main home screen. Troubleshooting Common Issues Command-line (adb/fastboot for Android