Please note, that the firmware is installed inside the memory card.
WARNING! Before proceed, please make sure that:
1. Please full charge the battery.
2. BACKUP everything inside your memory card (contact, files, data, songs etc)
3. DO AT YOUR OWN RISK!
Requirement:
1. Firmware
2. USB Cable
3. PC
The Steps:
1. Please SWITCH OFF your phone, and then connect it to PC. It will detect your phone as USB Mass Storage. Please make sure you had done any necessary backup.
2. Execute the firmware file. For this tutorial, I used the firmware of 2.1.552.5. You should see following dialog:
Explanation:
A. Install - Will install the firmware as shown above. This will overwrite any files on the memory card.
B. Change - If you like to install another language. Pick from available language.
C. Advanced - Will give you the following option:
3. After make the any selection, just follow the instruction on your PC and Neonode until the process is completed.