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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Sony Ericsson > Old Ericsson Phones & Sony Phones > Sony

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Old 07-06-2004, 19:18   #1 (permalink)
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j70 dead after flash

Please help me with Sony J70.Phone was blocking (freezing) from time to time and I tryed to flash it. I've did that many times on other phones j70 without a problem.
On the end of flashing procedure flasher said "Checksum Error". I trayed to flash again but no success - phone was loosed comunication with PC.
Please any solution???
maybe a bootloader i erased but I am not shure.

Please help its a customer phone.
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Old 07-10-2004, 13:21   #2 (permalink)
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Did you make a back up. If not did you note down the software version and SAT no of his original firmware. If yes try flashing it with a similar SAT no firmware.

If your answer to both the above thing is no than you are in for some trouble. Not that it cant be fixed, but you will have to spend quite some time on it.

You have to get a clean NVM file and a official firmware file and flash it. If the phone starts to boot very good if not try with a fullfalsh file. If that does not work you will have to keep trying with differnt NVM and firmware files. Dont use the same file again and again. From what I remeber the EEPROM will die after about 500 flashes.

Best of luck do post your result on the forum.
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Old 03-05-2005, 15:22   #3 (permalink)
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I have a J5 with the same problem - since then absolutely no communication with PC. How can it be solved?
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