Nokia 1650 Contact Service Solution Using JAF

This Problem it seems easy – easy difficult, one example case, I’ve got a piece of nokia 1650 that blink when turning on, try to flash with JAF many times but no success although using different firmware version and new problem appear “ contact service “

That makes me a little frustrate, after finding in many gsm forum I’ve got a little hope to solve the problem, I do this way.

First Erase Flash With JAF, this address

start address: 013F0000

end address: 013FFFFF

Then flash as usual mcu, ppm and cnt

If you have problem in local-test-normal mode, make it vpp disconnected between flash cable and phone board, use small paper or tape to close the contact.

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Ditulis oleh: Ihsan -