Updated — Failed -remote 39-flashing Lock Flag Is Locked. Please Unlock It First 39--

Connect the phone to a computer with Android platform tools installed, open a terminal window, and run the following command sequence:

sudo flashrom -p <your_programmer> --flash-name sudo flashrom -p <your_programmer> --wp-status

Find the and tap it rapidly 7 times. You will see a toast notification saying "You are now a developer!" Connect the phone to a computer with Android

Many manufacturers have their own official bootloader unlocking programs or websites. Google Pixels use fastboot flashing unlock , OnePlus has its own unlock token process, and Xiaomi requires applying for permissions via the Mi Unlock tool [11†L6-L7][12†L10-L14]. Check your device manufacturer's official support channels for specific instructions. For example, some manufacturers (like OPPO CPH2423/CPH2411 series) may even require you to bind your device to a verified account for a week before unlocking becomes possible [11†L36-L37].

: While in Developer options, ensure USB debugging is also turned on. Phase 2: Run Unlock Commands Phase 2: Run Unlock Commands (e

(e.g., WP# on SPI flash chips) – ensure they are not pulled high.

Once in bootloader mode, use one of the following commands depending on your device: fastboot flashing unlock (Standard for newer devices). fastboot oem unlock (Common for older devices). Confirm on Device Phase 2: Run Unlock Commands (e.g.

Depending on your device manufacturer (Google, OnePlus, Xiaomi, etc.), the command may vary slightly. Try these in order: fastboot flashing unlock For older devices: fastboot oem unlock