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Teclast P78HD 7" Retina Allwinner A31 Android 4.4.2 firmware upgrade + root (tablet)

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6th July 2014, 11:10 AM |#31  
Quote:
Originally Posted by stillka

my result is 46,5 fps

in new fw 2.06 it's 31fps, they locked fps again...one of battery optimization steps

AntutuX - 13180 (fw 2.06)
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7th July 2014, 07:18 AM |#32  
santroph's Avatar
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Question
I can't seem to install the ADB drivers for this tablet, no matter what I do.

I have windows 8, and sadly I have no other OS to try right now.
I have Android SDK since I'm a developer, and all other devices work fine with Google standard ADB USB Drivers (Nexus 5, Nexus 7 2013, Nexus 10 and HTC One M7)
I guess it is a problem with my device or something wrong with Windows 8.
I have also tried the compatibility mode for W8, W7, Vista and even XP (all SP in all versions).

Am I missing something here?
Since it is not detected and a SBD Android device, the upgrade program cannot detect it and does nothing for me.
Whenever I try to run any version of the AllWinner program, Chinese or English, it does try to install USB drivers but gives me an error.
Also, when I try to force the install, Windows tells me the drivers must have been tampered and do not let me install them.
Shouldn't the default USB ADB drivers work?

Regards,
Santroph.
8th July 2014, 06:52 AM |#33  
Quote:
Originally Posted by santroph

I can't seem to install the ADB drivers for this tablet, no matter what I do.

I have windows 8, and sadly I have no other OS to try right now.
I have Android SDK since I'm a developer, and all other devices work fine with Google standard ADB USB Drivers (Nexus 5, Nexus 7 2013, Nexus 10 and HTC One M7)
I guess it is a problem with my device or something wrong with Windows 8.
I have also tried the compatibility mode for W8, W7, Vista and even XP (all SP in all versions).

Am I missing something here?
Since it is not detected and a SBD Android device, the upgrade program cannot detect it and does nothing for me.
Whenever I try to run any version of the AllWinner program, Chinese or English, it does try to install USB drivers but gives me an error.
Also, when I try to force the install, Windows tells me the drivers must have been tampered and do not let me install them.
Shouldn't the default USB ADB drivers work?

Regards,
Santroph.

Hi,
fortunately I don't have Windows 8.x but Windows 7 at work, no problem with adb at all.
Also at home on Debian Linux no problem with adb.

What about try boot to Linux from usb key and at least check if adb is working OK on Linux?
Then you can be sure that it's no device problem but OS/driver?
10th July 2014, 06:44 PM |#34  
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Hi,

thanks for the rooting instructions!

Is there any way to remove the "sd card is mounted" icon from the taskbar? I have SD card inside the device, and the notification just sticks there..

I also noticed that "tablet idle" is consuming battery like 1%/h. Wifi is off during sleep. Any idea what this could be?
16th July 2014, 04:16 AM |#35  
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@Javaa : I have the same stupid label in the taskbar on 2.06 rooted version.

I've give a try to the google now launcher, far better than the Tui
19th July 2014, 11:34 AM |#36  
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ah. the FPS limit is annoying.
Is there any good reason to use v2.06 above the previous version then?
19th July 2014, 04:14 PM |#37  
Quote:
Originally Posted by abhoriel

ah. the FPS limit is annoying.
Is there any good reason to use v2.06 above the previous version then?

2.03 is fine, use it if don't want fps lock :P
20th July 2014, 11:44 AM |#38  
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Quote:
Originally Posted by corfou

@Javaa : I have the same stupid label in the taskbar on 2.06 rooted version.

I've give a try to the google now launcher, far better than the Tui

I use the Google Now launcher on my Motorola Moto E phone, but it will not install on the Teclast P78HD.

Except for Google Now's always active Google voice-recognition search, I prefer the Nova launcher anyway.

https://play.google.com/store/apps/d...launcher&hl=en
23rd July 2014, 06:30 AM |#39  
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my tablet recently arrived, I'm in China currently so ordered it more directly.

It came preinstalled with the 2.06 firmware. its a pretty decent tablet, especially for the price (I paid 500RMB, including shipping, case + other accessories). the screen in particular is excellent.

my only mild complaint is that the user interface is not quite as smooth as say my phone. Has anyone found any way round this? forcing GPU acceleration doesn't seem to help.

thanks!
23rd July 2014, 12:37 PM |#40  
nova laucher can help + rooting and uninstalling pre-installes apps you don't want
30th July 2014, 04:11 AM |#41  
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Sign Location impossible
Hi,
I am unable to activate location services. (Position) Someone have a solution?

Thank you!
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