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Volvo BT PHONE P3GSM - Phone Module (PHM) Bluetooth update

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Old Aug 12th, 2024, 16:36   #37
nicklt
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Last Online: Aug 15th, 2024 11:08
Join Date: Sep 2023
Location: Utena
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Quote:
Originally Posted by marekbm View Post
you have to be more specific regarding "no success". what part failed? flashing bootloader via USB, flashing the firmware via bluetooth or just after that (trying to operate in normal condition)?

there is a chance that this new firmware (from some reason) has something what can cause some incompatibility (model and the year).

you can try to flash (via USB) the "btphone_p3gsm.btb" file from the old "BT Phone P3GSM - v2022-02-22_1.zip" firmware. if it starts working then it is the issue in the new firmware. if not then the PHM can be in some specific state that i have never reached. in this case you have to put the genuine GSM modem into it and keep it starting to operate. after that you can put the bluetooth module back.

regarding the board name in sam-ba application:
you have to choose the "at91sam4s8-ek" as it is mentioned in the documentation.

at the moment the best is to make some videos when you are flashing bootloader and firmware. nothing needs to be put into the PHM back. after that i will let you know how we*will continue.
Hello marekbm!

I tried everything you recommended. More than 20 times.

I have put older firmware, pull out Bluetooth Modem and try to run old original Volvo modem for few days, pull out old original Volvo modem and put older firmware again, then I have put again new bootloader and new firmware and result is the same.

After all, with older firmware result is shown in that video that I send you the link

https://youtu.be/AZDJxpS1hhs

and with new firmware, everything is like it was from the beginning ("Please wait..." and then "Insert SIM card").

I'm pretty sure LED sequence is all Ok when I'm flashing new bootloader and new firmware but maybe you can confirm that please. I made one more video:

https://youtu.be/PZ61tuosYPs


Tomorrow I'm taking it out from the car and I will ask for money back. I'm sorry. If you have any other suggestions please respond because I don't have any time left from my vacation days

Thanks in advance.
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