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Screen is black, nothing work on vm9725bt - Jensen VM9725BT

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  • messened
    messened Jan 31, 2014

    i installed a Jensen VM9725BT gps, audio system... initially work great until my iPhone couldn't connect to head unit (BT screen said "Reading") and my phone couldn't get the link to pair... that said i download the firmware from jensenmobile.com and follow the process to installed again. everything was installed but the BT. After many attempt i was going no where until i find that BT:HW05-SW01.34.00 was also in the clarion audio system so i tried that... wrong decision!!! now my head unit only shows a black screen and although i tried to re-install the MCU, MPU,OS, MPEG (screen is totally blank and nothing works). So, How can i re-install the proper firmware? and if can get the unit back... how can i deal with BT to get it working again? i just spent a lot of money and now i have a box not working at all... Please help!

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