yashsingh1/xdaforums huggingface dataset:
[Android General] syserr:
People like Foxtrot, LeWa, and Chinese for the phone feature. So you should head towards one of those. All are mirrored https://drive.google.com/folderview?id=0B8PcIZoLeGNua2tDbmxjQmRpMG8&usp=sharing

Do you have a dual SIM model of the A2107A-H?

What scatter file did you use? Make sure you did not use one with the FAC partition as an entry. The custom ROMs don't work with that layout.

A backup of the NVRAM folder is not very good, but better than nothing. A backup of the partition is really what is desired, as your /data/nvram folder will be blown away each time you do a Data/Cache wipe. I wish I could go change posts that are 1 year ago. Forums suck in that respect.

You could grab Foxtrot's .zip.. throw it on your card and point CWM at it. Do a Data/Cache Wipe before you reboot.

Before any of this, with your current "semi-brick" state, try a data/cache wipe.

---------- Post added at 10:16 AM ---------- Previous post was at 10:07 AM ----------

10% possibility your USB port is damaged. 40% chance you are not going into meta mode. 50% possibility that your "VCOM" driver is not installed (correctly).

First... Have Windows running, without SPFT running. Disconnect device. Slide off back cover. Hit Reset button hole below the camera. Now open Device Manage on Windows. While watching Device Manager..... Press VolUp while plugging in the device. You should see the device manager list change.

Use this driver: https://drive.google.com/file/d/0B8PcIZoLeGNuUTFIT1J2eXNFd28/edit?usp=sharing

You need to convince Windows to use this driver. You may have to go into device manager, right-click on device and choose "Update Driver" and go select the .INF that I linked.
[Android General] green2013:
I will try the zip file found in the link

Thanks Chief!!!, even on 24th of december :)!!! Really happy that you took the time to help me! Merry Christmas & Happy new year!

1. I have dual sim a2107a-h model.

2. Can't remember the scatter file but it is included in the zip file. Sorry i don't understand FAC

3. I followed this http://xdaforums.com/showthread.php?t=2044496 upto number 2 to backup

So, i have only the "backup_v2" folder

4. i will try the to put the A2107A-H_S222_121121_MAK.zip (foxtrot's) on the sd card and boot to CWN and point it to sd with data & cache wipe. Hopes this works ^^

5. i dont know what to do with this instruction below:

Thank you again SYSERR!!!! in advance and May you a have Blessed Year to come!!!
[Android General] sverza:
2 questions related Foxtrot 101

Hi all, I've a A2107A-H 16 GB dual sim, and I've updated it to version Foxtrot 101.

Everything good, but I have 2 questions:

1) Currently the system shows the partitions dimension as the picture reported here

http://imageshack.com/a/img194/9775/19zh.png

http://imageshack.com/a/img560/2108/9aqi.png

Are they ok? I'm asking myself "the sum of 2 partitions isn't 16GB, is there something wrong?".

Honestly I don't remember what the tablet showed before the upgrade...

2) Preamble: to update the system I followed the procedure reported here (no UPDATE section)

http://xdaforums.com/showpost.php?p=35369121&postcount=1

Ok, in step 2 I suppose I've done a backup of the original ROM.

So, can I use this to restore the tablet as factory sectings?

Many thanks to everyone will answer me
[Android General] syserr:
I wish I could change that post on how to backup. It's better to use SP Flash Tool, but everyone follows the first guy. ;) Do you have an nvram.img somewhere in your backup directory tree? This is most important. I think the GScript backup has what you need, but if I remember right it's not restorable with CWM, you would need to use SPFT.

From what I see, your partitioning looks good to me. Your FAT (sdcard) will be big and is a big part of your 16GB flash. I've found that df was lying to me a few times. You could "cat /proc/dum_char"... that should look similar to a scatter file. You could save it as firmware.info or something like that and have MKDRT read it and how you the layout.
[Android General] priyanga:
Help syserr

Hi all, I've a A2107A-H 4 GB dual sim I WANT TO USE PHONE AND FM FUNCTION,SO I NEED TO INSTALL A ROM WITH SP FLASH TOOL .WHICH ROM WILL BE THE BEST PLEASE ADVISE
[Android General] sverza:
do you mean the procedure described on UPDATE 3 reported here http://xdaforums.com/showpost.php?p=35369121&postcount=1?

Yes I have this file.

Infact GScript doesn't create a zip file but a structure with folders, files (.img, .tar, .info, ...).

Where can I find the SPFT?

Attached the result

sorry, not clear: Can you explain?

Anyway, Mr syserr, you're thanked!
[Android General] green2013:
Link not working

Link for those ROM not working & a message "Sorry an error has occured"

May i know your reply to my previous post below? Thanks

Thanks Chief!!!, even on 24th of december !!! Really happy that you took the time to help me! Merry Christmas & Happy new year!

1. I have dual sim a2107a-h model 16gb.

2. Can't remember the scatter file but it is included in the zip file. Sorry i don't understand FAC

3. I followed this http://xdaforums.com/show....php?t=2044496 upto number 2 to backup also with nram folder

4. i will try the to put the A2107A-H_S222_121121_MAK.zip (foxtrot's) on the sd card and boot to CWN and point it to sd with data & cache wipe. Hopes this works ^^

5. Sorry, i dont know what to do with the last portion you mentioned.

5. Btw, your SE Rom does it have phone feature? i read it is good for 1sim, i cant experiment with my 2dual sim since mine is still semi bricked. i will try it when i get the rom above & when my unit start to work but is it advisable? since i dont know if i backup my device as recommended in your post. I used gscript.

Many thanks you and to all who will help.
[Android General] sverza:
I try to answer

No issues with my net, links are reacheable

I've followed the procedure you have linked e I hadn't any issue.

Now i have the tablet (the same as your) that works good... and I can phone!
[Android General] sverza:
syserr, some updates:

do you mean the procedure described on UPDATE 3 reported here http://xdaforums.com/showpost.php?p=35369121&postcount=1

?

Yes I have this file.

Infact GScript doesn't create a zip file but a structure with folders, files (.img, .tar, .info, ...).

Now I've found the SPFT (SP_Flash_Tool_v3.1316.0.150_(build.16-04-2013)) and I have to find how to use it

Attached the result

sorry, not clear: Can you explain?

Anyway, syserr, you're thanked! :good:

Thanks a lot
[Android General] priyanga:
fm tuner for 2107

i installed foxtrot and working ok but i like the radio of china stock rom can any body give me the app for china fm tuner thanks in advance
[Android General] sverza:
Try this one ;)

http://xdaforums.com/showpost.php?p=38108475&postcount=1098
[Android General] syserr:
You don't necessarily need SP Flash Tool, but it is a good way to go about it. Options which are probably all over 4 threads..

#1 Flash everything (all partitions) with SPFT

#2 Flash only CWM into the Recovery partition with SPFT, then install whatever CWM-style ROMs

#3 Root Phone then use an Recovery installer like MobileUncle or ADB to flash CWM into Recovery partition

Personally, I think getting SPFT running and getting familiar with it is a good idea. Then if things break, you have an understanding of the "ultimate" tool to fix them.

If you want Phone and FM, I'd use Foxtrot-rerooted (by me) in the ROM link in my sig. CWM images are also on the Google Drive linked to from the ROM thread.

---------- Post added at 11:22 AM ---------- Previous post was at 10:56 AM ----------

I have a lot of respect for csns but I don't like his comment:

"What you need: this package: http://www.mediafire.com/download.php?fbuzi5xjofs7vgf"

^ The reason that is frustrating is right off, you are blindly following with unknown software etc. Yes, SP Flash Tool is what his Update 3 is all about. I'm sure I'm biased, but I like my instructions too: http://xdaforums.com/showpost.php?p=46544293&postcount=3 also post 4 and 5.

SPFT can be found many places, I've mirrored a copy here.https://drive.google.com/file/d/0B8PcIZoLeGNuVDluTXk4QXdQaUU/edit?usp=sharing And the entire directory tree can be browsed here: https://drive.google.com/folderview?id=0B8PcIZoLeGNuWS1JUnA2UXdPYUE&usp=sharing#list

From your attached:

python

>>> (0x3110fc000+0x91ee4000)/1024/1024/1024.0

14.5458984375

>>> (0x3110fc000)/1024/1024/1024.0

12.265625

~12GB out of ~14.5GB is your "internal SDCARD"

Saving it as firmware.info, all I was saying there is you can have MKDRT (MediaTek Droid Root and Tools by rua1) read in the output of that dumchar output. The dumchar output needs to be saved as a file on PC called firmware.info. I'm not a heavy user of MKDRT though, I just no it uses it to display some nice parititon block output. No need to do this though as I've shown you that 12GB is the internal sdcard.

---------- Post added at 11:26 AM ---------- Previous post was at 11:22 AM ----------

Look in the Google Drive directory tree on my ROM page... Mirrored/Interesting_APKs ... If thats not the one you like I can download a few more. I have about 12 ROMs on packed that I can scan apks of.
[Android General] sverza:
Honestly, at the beginning I started following another forum that reports - more or less - the same procedure described by csns, but I found issues trying to "install" the recovery img file.

So I searched for other users that had the same issue and then I found the procedure I used.

Only "now" I have found your posts (very very useful) in this forum

Ok, now - as I wrote some posts ago - I have to study how to use it with the file nvram.img you suggested

Ok, now I know also this info (I'm quite new in android, not in linux :cyclops:). At the beginning I just wanted to know if dimension of partitions are ok (damn that time i didn't take note with the stock rom...)
[Android General] priyanga:
foxtrot latest

mr syserr thank you for your reply,i already installed foxtrot 100 and it is ok but little minor issues , i liked to flash roms by sp ft so i dont need lengthy procedures to save old details like imei i only insert the scatter file and down load .is your rom can flash by sp ft?by the way i saw new foxtrot rom but cwm , and you know how to install this update A2107_Foxtrot_100_fix_LockScreen.zip .if you can find me a more stable custom rom with phone and fm and improved battary time and of cos it is sp ft it will be greatly appreciated. i have a2107 ah 4 gb
[Android General] priyanga:
foxtrot update

i have the up date file around 8mb what is the easy way to update, already have foxtrot 100. 2107ah dual sim 4gb advice thanks in advance
[Android General] sverza:
give an eye here, syserr gives us a lot of resources
[Android General] sverza:
Restore stock rom

(maybe) ok, I've found the file system.ext4.tar and it contains a structure folder very very similar to the one of Foxtrot101.

Maybe exploding it and generating a zip archive i can try...
[Android General] priyanga:
advice

mr syserr thank you for your reply,i already installed foxtrot 100 and it is ok but little minor issues , i liked to flash roms by sp ft so i dont need lengthy procedures to save old details like imei i only insert the scatter file and down load .is your rom can flash by sp ft?by the way i saw new foxtrot rom but cwm , and you know how to install this update A2107_Foxtrot_100_fix_LockScreen.zip .if you can find me a more stable custom rom with phone and fm and improved battary time and of cos it is sp ft it will be greatly appreciated. i have a2107 ah 4 gb

another request , how to patch this

Patch for setting external sdcard as default memory : http://d-h.st/SDL

Patch for setting internal scard as default memory : http://d-h.st/u5M

without cwm iam using fxtrot100 a2107ah 4gb
[Android General] priyanga:
cwm

cwm installed .everything updated.ididnot see anything about fused partition in here.i have only 4gb thanks every body
[Android General] green2013:
Still have error

Please help still i can't download properly. i tried many times still same result. Any other link or ideas? Thanks for all who helped!!! :D
[Android General] romici:
Searching Firmware for Lenovo A2107 A-H 404 ATT version

I'm looking for this version of ROM(A2107A_A404_000_017__120807_ATT) it was my original ROM,before flashing to Russian Foxtrot version.With Foxtrot version i have a issue with sound ,it's freeze .with other version i have a same problem (Clear SKY,LEWA,China version)
[Android General] sverza:
What are you trying to download?
[Android General] green2013:
Thanks and help

Thanks for the reply :) and help. Verified link working. Thanks ^^

I was able to download the ROM but was not successful to flash.

I can go to CWN but after flashing it with the rom it is just stuck with the lenovo 1st logo no sounds.

What i did:

1. boot to CWN

2. wipe cache & wipe data

3. choose zip from sd card

4. tried roms ( foxtrot & chinese) from

My tab is a2107-h 16gb dual sim and current status is semi-bricked. Can someone help me from scratch to unbricked (i already followed the how-to unbrick giude as previously posted) if needed.

I don't know what to do now. Please HELP.

Thanks all in advance!!!

---------- Post added at 06:11 PM ---------- Previous post was at 05:45 PM ----------

Hey syserr,

SE_FOXTROT_REROOTED-signed.zip (updated Nov 11, 2013) NEW!

Is this for A2107-h 16gb dual sim? all roms under the "A2107A-H ROMs flashable with CWM Recovery" (green font) has a note in red color that says for dual sim. Does it mean this roms is only for single sim. Sorry for simple question and can i use this if ever i get past the semi-brick issue i am having. Many Thanks^^
[Android General] sverza:
Try wiping cache and data also after you have flashed the tablet.

If it doesn't work falsh another time flahsing with foxtrot 101
[Android General] green2013:
Tried but did not work

I tried to wipe (both cache/data before & after) after flashing using rom but did not work.

What is foxtrot 101? is it a rom?

Many thanks
[Android General] priyanga:
advice

after flash reboot for first time, it will take 1 to 3 minuites did you wait for 3 minuites?
[Android General] green2013:
yes i waited

Thanks for the reply :)

Yes. i waited more than 5 minutes.
[Android General] priyanga:
try

Originally Posted by Szabika70 View Post

Hi Makbro!

press and set the country code!

timeout failed!

What is the problem???

Your device is in factory mode...Follow the procedure below :-

Remember, you have to read and carefully follow all steps, one by one as I have listed below, otherwise, you may brick/ damage your device

1. Back-up the folder "\data\nvram" from your device to your PC...If not possible, at least note both your IMEI numbers that can be restored later using MTK Droid Tools...

2. Download and extract the following in one global folder in your PC :-

(a) One of the two custom ROMs (with calling function and FM Radio) below (preferably Foxtrot v100) :-

(i) Foxtrot v100 : http://narod.ru/disk/64555789001.e72...t_100.rar.html

(ii) Chinese : http://dl01.chinapader.com/ROM/A2107A_H_S121_120525.zip

(b) SP Flash Tool v3.1216.02 here : http://xdaforums.com/atta...3&d=1360162416

(c) USB VCOM drivers here : http://xdaforums.com/atta...4&d=1360162416

(d) USB Driver installation here : http://xdaforums.com/atta...5&d=1360162416

3. If you haven't already, install the ADB drivers to your PC downloaded in step 2(c) as per "How to.doc" downloaded in step 2(d)...

4. If your device is 16GB, skip this step...If your device is 4GB or 8GB, browse to ROM folder (downloaded and extracted in step 2(a))... Open the file "MT6575_Android_scatter_emmc.txt" in Notepad++ and change "FAT 0x924e4000" to "__NODL_FAT 0x924e4000" (There is a double under-score before NODL and a single underscore after NODL)...Save file...

5. Make sure device is not connected to PC and is powered-off...Run SP Flash Tool "Flash_Tool.exe" downloaded in step 2(b), click on "Scatter-loading" button, browse to the ROM folder (downloaded and extracted in step 2(a)) and select file "MT6575_Android_scatter_emmc.txt" (the same file that you edited in step 4 if your device is 4GB or 8GB)...

6. Check the box "DA/ DL all with checksum" and click "Download" from main menu of Flash Tool...Now keep the "Reset" button of the device pressed while plugging in the USB cable to your PC and release the button once cable is plugged-in (reset button location is shown in a pic inside the "How to" doc you downloaded in step 2(d))...The ROM will start flashing to the device...This will take approximately 13 minutes with 7-8 different color bars completing 100% progress...Don't do anything until the big green circle appears with "Download OK" indication...

7. Power-On the device...You have installed the new ROM...Now delete the folder "\data\nvram" from your device and copy the folder you backed-up in step 1 to the same location in your device and restart...Otherwise run MTK Droid Tools (Download here : http://xdaforums.com/atta...6&d=1361727709), select "Replace IMEI" and enter your IMEI numbers that you noted in step 1 and replace them, then restart device...
[Android General] sharkypatra:
hello i have a lenovo a2107a-h 16gb tablet and i flash wrong rom in it nad now dont boot at all what can i do ???
[Android General] mkiv300:
First off thanks to everyone who has contributed to this thread. I've gotten a lot from it already (used the info here to successfully flash a custom ROM for the first time!)

I know most have moved on from this thread, but I have a few questions if anyone can help out:

1) I have a one sim -H, and I'm one of the people using this for a car dashboard (it's the only tablet I could find with a working FM receiver), so I'm interested in a ROM that enables both FM Radio and mobile internet through the SIM card - depending on the ROM I can get either FM (European stock ROM, Chinese, Foxtrot) or SIM (AT&T Stock, AT&T syserr rooted) but not both - anyone have success with this? All of the dual sim ROMS don't seem to recognize my SIM card.

2) Does anyone have an idea on how to configure the tablet to turn on whenever it receives power? This is critical so that it will turn back on when I turn the car on if it ever fully drains the battery. Or at least to set it to a low-power hibernate state when I turn off the car so it doesn't run battery while the car is off. I've seen this in other custom ROMS for other car installations but can't find any info on it for the A2107A.
[Android General] maryhinge:
I have this in my car hooked up to an amp behind the dash, power comes on through the ignition and the tablet powers up through tacker, sane when the power goes off it goes into sleep mode.

The FM radio didnt work for me, i use a ovivo sim in a mi fi kit and stream music through various apps, tune in, bbc media player.

I will try and take a video and put it onto you tube this week.

One thing I would want is usb host mode to hook up an external drive, apart from that it works just fine
[Android General] mkiv300:
Thanks! I'm not familiar with tacker, did you mean tasker?

Is your tablet hooked up to main power (always charging, but can drain car battery) or the accessory line (only charges when radio is on)?

Sounds like your setup is working well for you but if you're still trying to get FM Radio working - the US AT&T ROM didn't allow FM Radio for me, but the radio worked great once I installed the European Stock ROM.
[Android General] kmiloxdxd:
My Tablet A2107 H Wont boot in android

hi today my tablet wont start and i connect to my pc and went out mt65xx preloader and you reinstall the stock rom but before format the nand and now the tablet after lenovo logo screen is black and not loading at all, connect it to your pc goes mtp usb device.

thanks
[Android General] mahir1995:
I'm new here.. I got this tablet before 1yr...but hadn't start to mod it or do anything.. Now I'm tinking of modding this.. I don't know where to start. Plz help
[Android General] sverza:
Here you can find resources you need, to start

http://xdaforums.com/showthread.php?p=45598926

And here various rom

http://xdaforums.com/showthread.php?p=46201425

It's important you install the correct ROM related to the model you have

---------- Post added at 08:15 PM ---------- Previous post was at 08:14 PM ----------

Have you solved?

Yes, Foxtrot is a version for our tablet

---------- Post added at 08:18 PM ---------- Previous post was at 08:15 PM ----------

Did you install a recovery image before flashing the wrong rom?

You can try to access into the recovery mode and then intall the correct rom by the zip file...

---------- Post added at 08:19 PM ---------- Previous post was at 08:18 PM ----------

If you have installed a recovery image you can try following adivce I have given to sharkypatra
[Android General] mkiv300:
The one thing I can't figure out now is what to put for the second SIM's IMEI and SV for my one sim -H.

Or is there just no way to get the sim card working with a dual sim ROM on a single sim -H?
[Android General] romici:
Rom

guy ,may you can upload here or another site an Rom for this device a2107 att.it will be verry helpfull for me! Thanks in advance
[Android General] sverza:
Here

http://xdaforums.com/showthread.php?p=46201425

you can find some rom
[Android General] Lost.soul:
This should be in the Q&A and stickied.
[Android General] syserr:
It'd be great if there was some kind of Wiki capability, it's exhausting for one person to keep it up to date and forums are scattered with outdated information or wrong information.

For example:

That is bad (dated) advice in my opinion... it's much better to have the nvram.img. The /data/nvram gets wiped every time you Wipe Data & Cache -- so you loose your IMEI and all the other calibration data. If you have an nvram.img backup you can always restore it with SPFT and it generally sticks between CWM ROM installs and wipes.

The links are hit and miss. You can go to my mirrored files on Google Drive. https://drive.google.com/folderview?id=0B8PcIZoLeGNua2tDbmxjQmRpMG8&usp=sharing

This is an over-simplification. I've had 4 A2107A. Single SIM -H AT&T, Single SIM -H Vodafone, and 2 -F. This advice is no good on any of them. SPFT would not have matched the scatter with my PMT and would have failed with an error code that newb (like I was) would have not understood. It would have worked for the dual SIM models in Asia though.

I pushed myself to do the FAQ to get as much information out before this model was "dead"... Unfortunately, at this point it's not worth investing a lot of time on. I think most people that purchased this 1+ years ago are probably on to their next tablet. :(
[Android General] Cristian.Ene:
Not really Sysser, I am holding on to mine. But i'll be more interested if I could install Ubuntu on my tablet.