4.3 Firmware Upgrade via USB disk
Procedures:
• Step 1: Prepare a USB disk in FAT32 format.
• Step 2: Create a folder and name it “upgrade”.
• Step 3: Put the firmware binary files into upgrade folder.
• Step 4: Plug USB disk into the phone’s USB port when the phone is powered off.
• Step 5: Power on the phone.
• Step 6: During step 1 of initialization process, pressing “4”+”7”+”8”+”*” keys at the same time.
Release all keys until all the LEDs are lighting on.
• Step 7: Phone will reboot and start upgrading process.
To Next Page
Loading...
