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Nuvision TM800A510L
05-25-2015, 09:06 AM
Post: #1
Nuvision TM800A510L
I have a bricked Nuvision TM800A510L need to find an OS image to reinstall.
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05-25-2015, 11:44 AM
Post: #2
RE: Nuvision TM800A510L
Provide Board id of your tablet
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05-25-2015, 09:54 PM
Post: #3
RE: Nuvision TM800A510L
How do I find the board ID?
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05-26-2015, 10:14 AM (This post was last modified: 05-26-2015 10:15 AM by ankur pratap.)
Post: #4
RE: Nuvision TM800A510L
Steps to find Board Id
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06-25-2015, 06:56 AM
Post: #5
RE: Nuvision TM800A510L
I have the same tablet. The motherboard ID is "PX4S78T Rev 2.1"
   
I can converse with mine using adb shell. Boots to splash screen "NuVISION", but no further. Would like to reload stock ROM if possible.

Thanks for the help!
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07-03-2015, 09:58 PM
Post: #6
RE: Nuvision TM800A510L
bump - anybody home?
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07-06-2015, 11:14 AM
Post: #7
RE: Nuvision TM800A510L
Hard reset the tablet using key combination like:- Power + Volume up or Power + Volume up + Volume down
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07-13-2015, 06:30 PM (This post was last modified: 07-21-2015 06:34 AM by dadhog.)
Post: #8
RE: Nuvision TM800A510L
Hi Ankur. I had done this previously; this allows me to get to the droidboot screen as well as the "clear all user information" prompt. But still the tablet gets stuck on the splash screen upon normal powerup boot.

Wait - I think I did "power + volume up" on mine; "power + vol_down" seemed to have no effect. I guess I did not try "power + vol up + vol down"....I will try that combo at the next opportunity - can't possibly hurt at this point.

Any other ideas? Did the mobo number, "PX4S78T Rev 2.1", result in any hits?

Thanks again.

UPDATE (7/20/15): Tried power + vol_up + vol_down: nothing interesting happened. Apparently the same as power + vol_up.

So, if device factory reset doesn't permit normal startup, perhaps it's a hardware issue? Or can I not make that leap yet?
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07-22-2015, 03:54 AM
Post: #9
RE: Nuvision TM800A510L
I have 2 of these tablets for less than 2 months. 1 of them has just developed the same problem. I have tried to a reset with no luck. The 2nd tablet has had other problems. For a couple of weeks I have had the following popups: com.calendar-deskclock.keychain.Android has stopped working. I just click OK and they go away temporarily. I had been playing Minecraft pocket edition until about 3 weeks ago, when "Unfortunately Minecraft-Pocket Edition has stopped working." popped up. I clicked OK and it went away. I can't play Minecraft anymore. I have uninstalled and reinstalled the game afew times as suggested by Nuvision customer service. I have also reset tablet as they suggested but had no luck. I would appreciate any suggestions.
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07-22-2015, 06:06 AM
Post: #10
RE: Nuvision TM800A510L
need firmware for RCA Model Number: RCT6378W2
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