[ROM] ZN Custom Firmware - 1.014.00_ZN-v1.2

ZeroNull · Mar 31, 2012

Hello. Here's the second version of our ZN Custom Firmware. It is created by ZeroNull and vdsirotkin (4pda.ru). The original post is here.

WARNING - If it works on your device, be careful, as with an unlocked bootloader you can brick you tab faster than you can imagine.

Installation:

1) You'll need to do everything, what is written here or here. If your bootloader is already unlocked, and recovery is installed - you can miss this point.

2) Download the firmware - http://depositfiles.com/files/smnuqxxei

3) Install it using CWM or TWRP

4) That's all!

Features:

Patched 1.014 ICS kernel. Now mounting of /system partition is unlocked
modded boot.img
Better battery saving in standby
Rooted
NTFS SD cards supported
Init.d scripts enabled
bind-dir with autorun support from init.d (not working with NTFS)
Superuser and AcerRing is integrated in system partition
All Acer's and some Google's apps removed
Packages included (in user partition, removable via Apps Manager in Settings)
- Adobe flash player
- BSPlayer Lite
- GPS Test
- ES File Explorer
- Quadrant Standart
- Quick Boot
- QuickBoot
- Titanium Backup
- Touch Recalibrate
- "DIGI Clock" and "Weather forecast" widgets
Custom build.prop integrated
Root mode for adb unlocked
AcerRing with corrected background picture
Battery in %
Custom bootanimation: Frosty-Boot [v.Acer] with GEARS for Acer Iconia Tab A100

Screenshots:

Theonew · Mar 31, 2012

First

. Anyways, some screenshots would be nice

.

ZeroNull · Mar 31, 2012

Theonew said:
First . Anyways, some screenshots would be nice .

And what would you like to see on them?

Theonew · Mar 31, 2012

ZeroNull said:
And what would you like to see on them?

The Acer ring for one. Were any modifications done to the UI, or does it have the stock look?

ZeroNull · Mar 31, 2012

There are no UI changes, all the changes are made "inside" of the firmware

Euclid's Brother · Mar 31, 2012

is this just a custom boot image?

If you have changed ro.product.model to A500, the Acer recovery installer app (once I release an A100 version) will think its an A500.

Sent from my SPH-D710 using Tapatalk

ZeroNull · Mar 31, 2012

no, it's not only the boot.img, there are some other changes.

Well, if someone have installed recovery to install this firmware, so he or she won't need to install it again. Am I right?

Euclid's Brother · Mar 31, 2012

I can't figure out how to download this. I don't read rushian (or greek or whatever that is). I entered the captcha and then clicked the link that LOOKed like what I was supposed to and it starting download some file ending with .msi so I canceled it.

Usually, custom ROMs come with their own boot.img, so if someone installs then, then a custom ROM, then this gets overwritten. if they install this, on top of their custom ROM, it'll work, unless the custom rom had a custom boot.img that it was dependant on.

Can you tell me if ro.product.modelalias still says A200 with this patch?

ZeroNull · Mar 31, 2012

Sorry, tomorrow i'll upload it to some other place. To download this file untick where it's written smth about Яндекс.Бар. And there won't be any .msi file. Or use Google Translate

You are right, there is a custom boot.img, and many features in the firmware depend on it. But boot.img is not the only feature of this firmware. That was what I wanted to say

In build.prop it's written ro.product.modelalias=A100.

Euclid's Brother · Mar 31, 2012

ZeroNull said:
Sorry, tomorrow i'll upload it to some other place. To download this file untick where it's written smth about Яндекс.Бар. And there won't be any .msi file. Or use Google Translate

You are right, there is a custom boot.img, and many features in the firmware depend on it. But boot.img is not the only feature of this firmware. That was what I wanted to say

In build.prop it's written ro.product.modelalias=A100.

Got it, downloading now. The link dissappeared when I hit the Translate button. But unchecking the checkbox worked. Thanks!

I updated my code to look at both ro.product.model and ro.product.modelalias.

Thanks!

bizarre.static · Mar 31, 2012

the slowed down cpu is for better battery life? might be installing later

ZeroNull · Mar 31, 2012

You're right.

utctigers · Apr 1, 2012

What impact would slowing the cpu have on the overall performance? Thanks

Theonew · Apr 1, 2012

utctigers said:
What impact would slowing the cpu have on the overall performance? Thanks

Some tasks (especially heavier ones) will not be as snappy (only if the cpu is limited to the slower speed also depending on how slow it is set to). The battery life should be significantly better though.

Raul77 · Apr 1, 2012

thanks, any plan on adding USB host mode?

ptesmoke · Apr 1, 2012

Theonew said:
Some tasks (especially heavier ones) will not be as snappy (only if the cpu is limited to the slower speed also depending on how slow it is set to). The battery life should be significantly better though.

is there a reason we cant incorporate smoothass governors etc into the kernel? limiting to 500mhz is pretty unproductive...if your require alot of processing itll take twice as long at 500mhz to accomplish its instructions...thus using the cpu twice as long as it would have if it was able to ramp up to 1ghz to take care of it.

lower cpu is only helpful in an idle state to conserve power...why on earth would we want to lock it at half its speed?

Sent from my SGH-I897 using xda premium

Theonew · Apr 1, 2012

ptesmoke said:
is there a reason we cant incorporate smoothass governors etc into the kernel? limiting to 500mhz is pretty unproductive...if your require alot of processing itll take twice as long at 500mhz to accomplish its instructions...thus using the cpu twice as long as it would have if it was able to ramp up to 1ghz to take care of it.

lower cpu is only helpful in an idle state to conserve power...why on earth would we want to lock it at half its speed?

Sent from my SGH-I897 using xda premium

No, there is nothing stopping the integration of more governors into the kernel. If you do heavy usage on the tab with the cpu underclocked so low (and limited at that point), then yes, it will put more strain on the processor. One would want it set so low for conserving battery (and not really using the tab for anything e.g. While you're sleeping). I usually set profiles on my devices to lower the frequency and set the governor to conservative when the screen is off (never done it on this device though).

ZeroNull · Apr 1, 2012

Raul77 said:
thanks, any plan on adding USB host mode?

Our hardware (motherboard) doesn't support it.

ptesmoke said:
is there a reason we cant incorporate smoothass governors etc into the kernel? limiting to 500mhz is pretty unproductive...if your require alot of processing itll take twice as long at 500mhz to accomplish its instructions...thus using the cpu twice as long as it would have if it was able to ramp up to 1ghz to take care of it.

lower cpu is only helpful in an idle state to conserve power...why on earth would we want to lock it at half its speed?

Sent from my SGH-I897 using xda premium

The reason is called "kernel sources". Without 'em we can't do anything (overclock, add governors) with our processor.

If you look at the usage of frequences, you'll see, that 80% of the working time the frequence is 200 mgz. And while testing, I didn't meet any problems with 456mgz, all the programs and games work smooth, and still 80% of the usage time is on 200mgz.

If you don't like this slowing down, why on earth you can't disable is? everything is written in the 1st post

samco08 · Apr 1, 2012

thx

Thx to you !!!
Il Will try it today.

Systèm in RW mod ?
The memory swap is integrated ?
Obligation of full wipe before installation ?

And the last question... have we to make a advanced restoration of the unlocked Boot with CWM after flashing.

THANK YOU in advance for your answers to my question.....

ZeroNull · Apr 1, 2012

samco08 said:
Thx to you !!!
Il Will try it today.

Systèm in RW mod ?
The memory swap is integrated ?
Obligation of full wipe before installation ?

And the last question... have we to make a advanced restoration of the unlocked Boot with CWM after flashing.

THANK YOU in advance for your answers to my question.....

Yes, it's included in root access
If it's not written about memory swap, than it's not intergated
No, /data must not be wiped, and /system/ will be wiped automatically, but only in 1.XX versions. 1.XX.X are only a kind of small update to already installed firmware

No, recovery and bootloader are deleted from this package, so they will stay as they were.

[ROM] ZN Custom Firmware - 1.014.00_ZN-v1.2

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