[ ROM ] Ceros Revolution CT9716 Android 4.4.2 KitKat custom root firmware (2014/06/10) - Forum

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[ ROM ] Ceros Revolution CT9716 Android 4.4.2 KitKat custom root firmware (2014/06/10)

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Oma7144

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2014/06/10 - 22:14

This is a generation 2 loader KK build for high-resolution tabs and MT5931 wifi

Revolution by Oma KitKat build v1.0

– stock 4.4.0 recovery, CWM 6.0.3.1 recovery
– system ext4
– selinux kernel dont #481 preempt 28.04.2014
– internal storage 4 GB
– ethernet support
– init.d support
– gameloft compatible
– USB-Hub enabled
– gamepad compatible (PS2, XBox, …)
– kernel modules (cifs, tun, lan, serial, audio)
– latest hosts, su, su-binary, busybox
– Reboot Menue, sEFix, FX Sound
– Dateimanager HD (Root)
– Nova Launcher

Flash instructions are included in the download pack.

Gen2 loader firmware will frequently generate trouble for the user. So, please read
the instructions carefully to understand how to change between gen1 (v1.24 loader)
and gen2 (v2.10 loader) firmware.

hints:
– to improve UI feeling disable animation scales in developer options
– to improve battery drain set keep wi-fi on during sleep to never
– to get full access to the build enable /system rw in File Manager HD
– to disable su notifications change notification in su app
– to prettify the build use Xposed Framework > Starterpack
– to enable multi-user use the Xposed module Multi User

Thanks to kasty

Be aware: it is your own risk!

– Oma -

The following users say thank you to Oma7144 for this useful post:

pargas, Lordlucan

Per aspera ad astra, we rock the Tablets !

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chris91300

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2014/05/28

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2014/06/11 - 12:30

Hi,

1 dumb question : How do you start the tablet into flash-mode when you do not have volume button ? On the side, I have the on/ff button, the back button and the reset all. On the other sides, I have no button at all.

Thanks for you help.

Christophe

pargas

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2014/06/11 - 16:41

Hello! If I rember right I went into recovery by holding power+back buttons until recovery booted. From there I chose one of the options (not reboot) maybe update from adb.... From there Rk batch tool discovered my device and turned green. Hope it helps. Good luck

Oma7144

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2014/06/11 - 19:39

Use instead of Vol-up the Back button.

- Oma -

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chris91300

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2014/06/12 - 09:54

One more questions : what benefices will I get to use this one instead of the kasty one ? I am a new android user, so sorry in advance for my low level questions...

admin

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2014/06/12 - 10:04

chris91300,

Kasty firmware is based on the manufacturer stock firmware. It brings root and some customizations but Oma firmware has some extras. Oma and Crew RKTablets work is solid stuff, but your mileage may vary as there are some subtle differences on Android Rockchip tablets out there. Users really need to test and make their opinion. Posting bug reports also helps tweaking and improving both firmwares.

Cheers.

If you like our web site, applications and firmwares, feel free to support our site. Donations are used to pay the bills for our server hosting costs, development tools and purchase new tablets to support.

DarthJabba

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2014/06/12 - 12:39

@Oma: presumably I can simply create a CWM install package for the boot, kernel, and system images and replace the Kasty KK ROM with them? Or will there be a problem with the NAND ?

Darth Jabba, the Dark Jedi from Nal Hutta

Oma7144

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2014/06/12 - 16:04

I see no problem doing that.

- Oma -

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DarthJabba

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2014/06/12 - 18:20

Ok, thanks ...

Darth Jabba, the Dark Jedi from Nal Hutta

pargas

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2014/06/12 - 18:27

Hi Jabba! Did I understand that you are making a cwm rom that can be flashed directly from cwm. If you do please share.

Thanks in advance.

DarthJabba

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2014/06/13 - 01:36

After a few minutes of use, the ROM seems quite stable.

Here's a preliminary report;

1. Creating a CWM package with just the boot, kernel and system images did not work. I had to install the full ROM (but I created a parameter file for 7GB). It seems that whatever the stock recovery does after first boot is necessary (meaning that a CWM package will not work, unless it also installs the stock recovery).

2. Most things seem to work as expected (so far).

3. Antutu score of 19,800 after first boot. 19,500 subsequently.

4. Something has gone awry with the boot logo; you get an "Oma" image with lightening flashes, then a black screen for a couple of minutes, while the tablet finishes booting – it is easy to think that the tablet had become bricked, but waiting patiently revealed that it had not.

More later …

Darth Jabba, the Dark Jedi from Nal Hutta

DarthJabba

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2014/06/14 - 14:13

Further report:

1. Continues to be stable

2. With slightly overclocked kernel, Antutu score goes up to 20,558

3. Serious issue with wireless. Something is seriously wrong with upload speeds, either on the internet or in the LAN. It is down to 0.35 mbps average, when it would normally average 7mbps. Download speeds are quite fine.

Which wireless drivers are included in the ROM ?

Darth Jabba, the Dark Jedi from Nal Hutta

DarthJabba

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2014/06/15 - 21:59

Sorry, I have been unable to live with the poor wireless performance. I've gone back to the Kasty ROM, and the wireless performance is back to normal.

Darth Jabba, the Dark Jedi from Nal Hutta

Oma7144

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2014/06/16 - 15:33

I can't reproduce this. Anyway, thank you for testing!

- Oma -

Per aspera ad astra, we rock the Tablets !

If you like our firmwares, please consider making a donation to support our work.
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DarthJabba

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2014/06/16 - 15:44

I couldn't find any reason for it either. The drivers all seem to be the same as with the Kasty ROM, and the hosts file seems to make no difference. I can't explain it ...

Darth Jabba, the Dark Jedi from Nal Hutta

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