: If the device has no "unlock attempts" left (0 attempts), a simple code will not work. In this case, you must flash a modified or universal firmware using tools like the Hovatek Balong USB Downloader . This process usually requires a specific usbloader.bin file to put the device into a state where new firmware can be written. Key Specifications for Firmware Matching
Some firmware versions require an "OEM code" or "Flash code," which can be generated using the device's IMEI. 2. The Unlocking Process Connect the Device: E5336bs-2 Unlock Firmware