Yes, it's finally out: Android 4.2.2 for the Hyundai T7S tablet. You probably already know it (if you don't click >>HERE<<), this tablet is really great and incredibly cheap, but the only thing it missed was an up to date ROM.
But there is a little problem: this is an unstable firmware, it has been officially released, that's right, but in the website it's told that it has some bugs and that they will be fixed in a new release coming this week.
The bugs affecting this release are:
- Random reboots (some experience frequent reboots, I experienced 2-3 since yesterday, and while doing awkward stuff)
- Random freezes (I experienced 2)
- Exynos Abuse exploit fixed (actually a feature, but makes rooting a little bit problematic).
- Lockscreen Widgets seem to be unavailable (COULD be a feature)
- GPS not working
- Some derps with Google Now
- Quick Settings not working sometimes
- Many gapps not included (Play Store is still there, don't worry)
- Quite higher battery drain (pegasusq governor seems to be missing)
- Bad performance, will probably be fixed
- Problems with bluetooth devices like keyboards (maybe mouses and joypads too?)
While the improvements I discovered are:
- Better camera quality
- Better color quality
- New Phablet UI (Nexus 7 interface, no more old 4.0 navbar)
- New Phablet UI launcher (Nexus 7/Smartphone like)
- 4.2.2 apps now compatible (some interesting CM10.1 apps like cLock, calculator and keyboard)
- New "Software Update" option into settings (will it work?)
- Multiple users support
Here is the firmware download from an unofficial source (http://hyundai-digital.cn is only accessible from China or using a proper proxy):
Download
Mirror 1
Mirror 2
Installation instructions:
0. Before you start, you need an EXTERNAL sd card and make sure the tablet is at least 60% charge. Also remember that the content of the tablet internal memory will be DELETED and that I'm not responsable for any data loss or anything bad happening to your tablet
1. Extract the .rar file onto an EXTERNAL sd card (make sure the tablet can read it first)
2. Power off the tablet
3. Once it's off, hold the power button and the volume down button at the same time since you see some strange writings on the screen.
4. The installation started, when it's completed the tablet will turn off
5. Turn the tablet on and enjoy Jelly Bean!
Now, has I said, Exynos Abuse no more works with this firmware, so here is a guide on how to root the tablet:
0. Download this package (you need a Windows PC to perform this, mono and wine do not work)
1. Turn on USB Debugging on the tablet
2. Insert the tablet into the PC and let it install the drivers
3. Run PdaNet executable to install some needed drivers on the tablet
4. Follow the instructions until the installation finishes.
5. Open root.exe
6. Again, make sure the tablet is connected to the PC and that it is NOT turned off
7. Follow the instructions on your screen, you should be ok now, but the root manager is chineese and you don't want a chineese application to manage the root access, right?
8. Install your favourite root manager from Play Store or other sources (I suggest you Superuser by ClockworkMod)
9. Open the new downloaded root manager, it will probably ask you to update the su binary, do it
10. An awkward window will pop-up on your screen, tap the button on the left, that should be some kind of "allow"
11. (Optional but suggested) Delete the chineese root manager (it has a blue icon with an "R" on it) using Titanium Backup.
Here is a video presenting the new version, enjoy!
That's it! If there is anything else you want to know, just ask in the comments!
Special thanks to Slatedroid Forums!
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