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[Guide] Update any Motorola Charm to lates T-Mobile firmware (Working 2G / 3G).

List of improvements, from T-Mobile Documentation.
I AM NOT RESPONSIBLE FOR ANY DAMAGE THAT THIS GUIDE MAY CAUSE. TESTED AND WORKING. FOLLOW AT YOUR OWN RISK!
Warning: Flashing T-Mobile sbf will update the Bootloader, so cant downgrade or flash other sbf.
This guide is for update any Motorola Charm w/o brand to the latest T-Mobile update with fully working 2G/3G network, and get many improvements (Best of all Stability and Battery).
If you have official US T-Mobile Charm you don't need this. as it can be updated normally.
Requirements:
* Any sbf file that currently work (2G/3G) with the corresponding Mobile Providers Link.
* T-Mobile 03.90.7 BLUR firmware sbf file. Link from the Wiki.
* RSD Lite 4.6 Link from the Wiki.
* Moto Android Depacker Link.
* SuperOneClick for Root Internal link.
* Root explorer NO LINK! (Or via ADB).
Click to expand...
Click to collapse
Guide:
A- Backup from the running firmware.
1. Root the phone (any method).
2. Install Root Explorer (alternatively can use ADB or terminal emulator).
3. Backup this folder and save a copy in the computer. "etc\motorola\bp_nvm_default".
Click to expand...
Click to collapse
B- Extract BP from the sbf (That currently work with your 2g/3g network).
1. Open Motorola Android Depacker --> Open From File -->Browse the sbf
2. Click "Split To Folder" this will generate a folder with the same name of the sbf.
3. Remove all split files except this one "CG45.smg" (BP Firmware file).
Click to expand...
Click to collapse
C- Mod T-Mobile sbf.
1. Open Motorola Android Depacker --> Open From File -->Browse the sbf (T-Mobile one).
2. Click "Split To Folder" --> browse to the splitted folder.
3. Replace and overwrite the "CG45.smg" with the one from B.
4. Open Motorola Android Depacker --> "Open File Folder" --> Browse T-Mobile split folder.
5. Click on "Compile File" this will generate "firmware.sbf" with BP that work with the phone.
Click to expand...
Click to collapse
D- Install T-Mobile Mod sbf.
1. Backup any needed phone data.
2. Install and open RSD Lite --> Click on "..." --> Browse to "firmware.sbf"
3. Connect the phone to the computer.
4. Wait until phone show as connected in the RSD Lite--> click "Start".
5. Wait until RSD Lite finish. --> Configure "Moto blur" account.
Optional: It's possible to restore "clockworkmod" backup using polovinamozga's Bootstrapped Recovery Link.
Click to expand...
Click to collapse
E- Restore network.
1. Root the phone (using SuperOneClick).
2. Install Root Explorer.
3. Copy this folder from step "A" to the SD Card "bp_nvm_default".
4. open Root Explorer --> Navigate to "sdcard" --> navigate to "bp_nvm_default" folder.
5. "Multi-select" these files:
File_Audio
File_Audio2
File_GSM
File_Seem_Flex_Tables
generic_pds_init
Click to expand...
Click to collapse
6. Then press "Copy" --> Navigate to "etc\motorola\bp_nvm_default" --> "Mount RW".
7. Paste --> Overwrite all the files.
8. IMPORTANT Select all copied files (from step E-5) and change permission to rw-r--r--.
9. Reboot phone...Then add the APN of the corresponding network provider.
Click to expand...
Click to collapse
Click to expand...
Click to collapse
Credit for all Tools Creator.
Sorry about any grammatical/spell English error.

Great for those who are accidentally stuck on T-Mo firmware.
I'll give it a try before throwing away my charm
Quick question: There is nothing extra/better with this firmware, right?
Sent from my MB502 using XDA App

It still "2.1 update-1" but have many improvements, see the list at the top of this thread.

Not much improvement IMHO.
Of what I've heard, the t-mo rom sucks more battery. So an improvement on that= avg. battery life on deblur ROMs. Also, my messaging app already shows the last msg instead of the first. Possibly, t-mo had to put up an update for these while others got it stock.

I try to use this guide to change baseband from my t-mobile to movistar chile to use 3g, but when i turn on, i´m not getting signal from my carrier. any solution??
(for now i reflashed t-mobile rom to use the phone but i really want to use 3g)

the links provided dont work anymore

Thanx for the tutorial
I stay in India and unknowingly, flashed with a T-mobile's latest (3.90) ROM. The network stopped working and I learnt that I cant downgrade...
I was felling like nowhere when I found your thread... It helped me make my network work..
Thanx alot dude!!:good:

[Q] HTC Sensation XE Wifi Problem

Hi Guys,
I have an HTC Sensation which I recently bought and seems not to get onto any Wifi Network. It pops out with Out of Range Message. Kindly assist.

You must be rooted & have a file manager that allows root access (such as ES File Explorer; for ES File Explorer, go to settings & check up to root & mount system as writeable)
Find this file: /data/misc/wifi/wpa_supplicant.conf
Copy it to the SD Card & delete the original.
Reboot.
Try to connect to WiFi now.

kgs1992 said:
You must be rooted & have a file manager that allows root access (such as ES File Explorer; for ES File Explorer, go to settings & check up to root & mount system as writeable)
Find this file: /data/misc/wifi/wpa_supplicant.conf
Copy it to the SD Card & delete the original.
Reboot.
Try to connect to WiFi now.
Click to expand...
Click to collapse
Can I have the steps on how tor root my phone. I am running Hboot 1.29 , Android 4.0.3 , HTC Sense 3.6 , Software 3.32.401.105

kgs1992 said:
You must be rooted & have a file manager that allows root access (such as ES File Explorer; for ES File Explorer, go to settings & check up to root & mount system as writeable)
Find this file: /data/misc/wifi/wpa_supplicant.conf
Copy it to the SD Card & delete the original.
Reboot.
Try to connect to WiFi now.
Click to expand...
Click to collapse
Hi,
Can connect now to my wireless though , I cannot browse. Kindly help.

retsek84 said:
Hi,
Can connect now to my wireless though , I cannot browse. Kindly help.
Click to expand...
Click to collapse
It worked for a couple of minutes and has gone back to Out of range.

How to get working WIFI with custom ROM on (t) and (l) variants

Make sure you make a backup of your stock ROM before flashing any custom ROMs.
Copy the WLAN folder from system/etc/ in your nandroid backup.
With your new custom ROM downloaded you want to open the zip file and navigate to system/etc/firmware place WLAN folder from your backup in here, then flash,
Congrats working WIFI !.

Sounds great, BUT.....
spaedi said:
Make sure you make a backup of your stock ROM before flashing any custom ROMs.
Copy the WLAN folder from system/etc/ in your nandroid backup.
With your new custom ROM downloaded you want to open the zip file and navigate to system/etc/firmware place WLAN folder from your backup in here, then flash,
Congrats working WIFI !.
Click to expand...
Click to collapse
I am wondering, where can one find the original firmware for, say a GT-S7500L I installed a custom ROM, but the wifi gives an error.

baracalao said:
I am wondering, where can one find the original firmware for, say a GT-S7500L I installed a custom ROM, but the wifi gives an error.
Click to expand...
Click to collapse
Not sure if the WIFI drivers are the same on the T and L but I've attached the WLAN folder with this post, otherwise just download stock ROM for your device from sammobile.

I will give it a try
spaedi said:
Not sure if the WIFI drivers are the same on the T and L but I've attached the WLAN folder with this post, otherwise just download stock ROM for your device from sammobile.
Click to expand...
Click to collapse
I will give it a try. Thanks

Found a solution
spaedi said:
Not sure if the WIFI drivers are the same on the T and L but I've attached the WLAN folder with this post, otherwise just download stock ROM for your device from sammobile.
Click to expand...
Click to collapse
I found a solution.
You will need:
1. Phone must be rooted (should be anyway with custom ROM)
2. download the folder I put in this post an put it on you SD card
3. have a "root explorer" installed (I used "X-plore File Manager", free on play store)
With the file explorer copy the "Wifi" folder to the "Root/System/etc"
It will ask if you want to overwrite the existing files. (accept)
For me not all the files copied over, but the files that did copy were enough.
Restart your phone.
Wifi works (for me at least this solved the problem).

covinced dopTOWes
spaedi said:
Make sure you make a backup of your stock ROM before flashing any custom ROMs.
Copy the WLAN folder from system/etc/ in your nandroid backup.
With your new custom ROM downloaded you want to open the zip file and navigate to system/etc/firmware place WLAN folder from your backup in here, then flash,
Congrats working WIFI !.
Click to expand...
Click to collapse
thanks Spaedi for quick response i'm new to this so will have to study your instructions on how to correct wifi
I've already installed the v-11 rom do I have to flash it again?
also do you have a nandroid back up that you would recommend (I have busybox installed ) any other help you can give me would be most welcome
once again i'm very thankful for your help
best regards
Cliff
have already sent this message not sure if it went to you if it did then just ignore this one
Cliff

Editing permissions

I root my phone as a thread
In the site but when I use root Explorer to edit permissions of some
Folders ex: system it says Warning
Permissions change was not successful. Please note that some file systems
(E. G. SD cars) do not allow permission changes
Also I use root Explorer as r-w

Sameh Amnoun said:
I root my phone as a thread
In the site but when I use root Explorer to edit permissions of some
Folders ex: system it says Warning
Permissions change was not successful. Please note that some file systems
(E. G. SD cars) do not allow permission changes
Also I use root Explorer as r-w
Click to expand...
Click to collapse
you rooted your phone as a thread?
what does that mean?

No some permissions are unable to change because it is for safe purposes because you might screw up your phone if you change the permissions or there is a duplicate file of it
Sent from my GT-S7500 using xda app-developers app

ShadowsDie said:
you rooted your phone as a thread?
what does that mean?
Click to expand...
Click to collapse
Sorryyyyyyyy for confusing you by not describing the way that I rooted the phone with
I ROOTED the phone by
1.put the phone in download mode
2. Flash CWM by ordin
3. put the phone in recovery mode
4.install zip superuser 3.1.1 arm. Zip
And I want to edit permissions of system folder to copy files to system/bin

Sameh Amnoun said:
Sorryyyyyyyy for confusing you by not describing the way that I rooted the phone with
I ROOTED the phone by
1.put the phone in download mode
2. Flash CWM by ordin
3. put the phone in recovery mode
4.install zip superuser 3.1.1 arm. Zip
And I want to edit permissions of system folder to copy files to system/bin
Click to expand...
Click to collapse
ok... i think there is a newer one in development section, with superuser 3.1.3
but i don't know if that is the problem, anyway you can redo the whole process of rooting, starting with flashing stock or you can change the app
i use root explorer and it works nicely, never had a problem with it
another thing you can try is flashing a custom rom, maybe its a firmware problem

ShadowsDie said:
ok... i think there is a newer one in development section, with superuser 3.1.3
but i don't know if that is the problem, anyway you can redo the whole process of rooting, starting with flashing stock or you can change the app
i use root explorer and it works nicely, never had a problem with it
another thing you can try is flashing a custom rom, maybe its a firmware problem
Click to expand...
Click to collapse
May you tell me a nice custom room

Sameh Amnoun said:
May you tell me a nice custom room
Click to expand...
Click to collapse
stock based: inspiration v17.3
AOSP: CM by TheWhisp

xt925 semi brick

i´m flashed cwm 6.0.4.4 and formated /persist partition now the wi-fi don´t turning on please help me

find your sbf file @ sbf-developers and rsd back to stock

xXLuHXx said:
i´m flashed cwm 6.0.4.4 and formated /persist partition now the wi-fi don´t turning on please help me
Click to expand...
Click to collapse
bweN diorD said:
find your sbf file @ sbf-developers and rsd back to stock
Click to expand...
Click to collapse
I have the same problem, I deleted the partition /persist and now does not turn on Wi-Fi, my folder has only one binary, do not know what the solution.
Edit: We need a binary and a folder in that partition, I guess flashing one. Zip partition be solved, just do not know how to do it, I need the files to assemble. I do not know if we can assist in that, since I have already used the RSD lite for flashing full firmware and nothing, you can not, brand error...
*Sorry for my bad english* :c

P20KILLER said:
I have the same problem, I deleted the partition /persist and now does not turn on Wi-Fi, my folder has only one binary, do not know what the solution.
Edit: We need a binary and a folder in that partition, I guess flashing one. Zip partition be solved, just do not know how to do it, I need the files to assemble. I do not know if we can assist in that, since I have already used the RSD lite for flashing full firmware and nothing, you can not, brand error...
*Sorry for my bad english* :c
Click to expand...
Click to collapse
Full Flash don't work for me
"fastboot flash persist" don't work too
But I fix it with
copy WCNSS_qcom_wlan_nv.bin to \persist (on wi-fi fix atrix hd)
and fix permissions chmod -rw-rw--- and chown wifi:wifi
my wi-fi is back to work
Link: http://db.tt/3zIjckrQ
thanks for help ...

Same problem here downloading this solution... Will comment y
In a minutes
Enviado desde mi Droid RAZR HD mediante Tapatalk
---------- Post added at 11:34 PM ---------- Previous post was at 11:12 PM ----------
It works, I will build something in your honor here in Argentina in plaza de mayo
Enviado desde mi Droid RAZR HD mediante Tapatalk

Work
Big thanks, it work perfect. Thinks my phone was dead, finally not, happy, thanks

xXLuHXx said:
Full Flash don't work for me
"fastboot flash persist" don't work too
But I fix it with
copy WCNSS_qcom_wlan_nv.bin to \persist (on wi-fi fix atrix hd)
and fix permissions chmod -rw-rw--- and chown wifi:wifi
my wi-fi is back to work
Link: http://db.tt/3zIjckrQ
thanks for help ...
Click to expand...
Click to collapse
Hello, I'm having the same issue, but I don't know how to execute those steps(I copied WCNSS_qcom_wlan_nv.bin to /persist but I don't know where and how to put chmod and chown) . Could you help me with a detailed step by step? Thanks.

airtono said:
Hello, I'm having the same issue, but I don't know how to execute those steps(I copied WCNSS_qcom_wlan_nv.bin to /persist but I don't know where and how to put chmod and chown) . Could you help me with a detailed step by step? Thanks.
Click to expand...
Click to collapse
Any Terminal Emulator/SSH client (connect to local) will allow you to type chmod (modify file permissions)/chown (modify file ownership) commands - you need to be comfortable with using command line interface in Linux.
Alternatively, most file explorer apps (like ES File Explorer) will also allow you to change file permissions/ownership.
You will have to allow root access for the terminal emulator or file explorer.

I have the same problem. It's possible to have the solution step by step please?
I have Windows and the official ROM is in Motorola Razr HD (4.1.2).
Where to copy the file?

Wifi fixation
Hello to all
Good this year 2014 brings you everything you want.
Here is my question after several manipulations on my Razr I had no Wifi
going on XDA development I got a bin file that resets the Wifi
pronto, the only problem when you reboot the phone the file disappears
and must start over anyone know a trick to fix it permanently
this file WCNSS_qcom_wlan_nv.bin

Zebulon 15000 said:
Hello to all
Good this year 2014 brings you everything you want.
Here is my question after several manipulations on my Razr I had no Wifi
going on XDA development I got a bin file that resets the Wifi
pronto, the only problem when you reboot the phone the file disappears
and must start over anyone know a trick to fix it permanently
this file WCNSS_qcom_wlan_nv.bin
Click to expand...
Click to collapse
You have to put that file on persist folder and you are ready to go
Enviado desde mi Droid RAZR HD mediante Tapatalk

Also went nuts with formatting and I formatted both Persist and Firmware, now wifi does not work. I have the pacman rom, can the experts please give detailed steps, sorry really a newb...
I do have Terminal Emulator and File Manager (both came with Pacman Rom)
1. Am I supposed to create a folder called persist and move the bin file in there?
- This did not work for me
Please Help, thanks!!!

Got it to work, here are some instructions that worked for me, used the bin file as opposed to zip and root explorer made things easier...
link

elektronAu said:
Any Terminal Emulator/SSH client (connect to local) will allow you to type chmod (modify file permissions)/chown (modify file ownership) commands - you need to be comfortable with using command line interface in Linux.
Alternatively, most file explorer apps (like ES File Explorer) will also allow you to change file permissions/ownership.
You will have to allow root access for the terminal emulator or file explorer.
Click to expand...
Click to collapse
I forgot about this thread and somehow learned how to use it by trying xD Thanks anyway!
And also I suggest to use Root Browser and change permissions there.

Wifi not working
xXLuHXx said:
Full Flash don't work for me
"fastboot flash persist" don't work too
But I fix it with
copy WCNSS_qcom_wlan_nv.bin to \persist (on wi-fi fix atrix hd)
and fix permissions chmod -rw-rw--- and chown wifi:wifi
my wi-fi is back to work
Link: [removed]
thanks for help ...
Click to expand...
Click to collapse
I am with same issue. The Wifi does not turn on. The Mac address does not have an address.
I would try to copy the WCNSS_qcom_wlan_nv.bin file, but the link does not have the file.
Could you please send me link for this file?
Thanks!!
Found it and worked Thanks!!

xXLuHXx said:
Full Flash don't work for me
"fastboot flash persist" don't work too
But I fix it with
copy WCNSS_qcom_wlan_nv.bin to \persist (on wi-fi fix atrix hd)
and fix permissions chmod -rw-rw--- and chown wifi:wifi
my wi-fi is back to work
thanks for help ...
Click to expand...
Click to collapse
Please Im beggin could you reupload the file

http://forum.xda-developers.com/showthread.php?t=2531550
LanceGoss47 said:
Please Im beggin could you reupload the file
Click to expand...
Click to collapse

Recovered my phone
I had this issue as well. I'm posting my results here in hopes that it helps someone somewhere who encounters the same issue.
I have a XT925 (Motorola Razr HD) with Clockwork mod recovery, unlocked bootloader and Slimkat 4.4.2 Build 3 Rom. I decided to update my bootloader to 4.4 compatible version, but in order to do that I first needed to downgrade to stock 4.1.2 I follow the stepshere for my device.
I somehow ****ed it up with an old version of RSD lite and after much work with command lines, flashing different recoveries, backups and shifting through kitkat versions I ended up with out wifi no matter what rom i was on. I flashed back to stock with RSD -no wifi, restored a backup -no wifi, upgraded rom version -no wifi. I cleared partitions, wiped numerous times.
To make a long story short, the solution in this thread worked. Simply put:
Ensure you have root access and a working ROM.
download a copy of the mentioned wlan bin file (mirror at the bottom)
get your hands on es explorer
connect your device via USB
place 'WCNSS_qcom_wlan_nv.bin' file somewhere where you can find it easily using ES explorer
enable root add on for es explorer, its in the settings list
move it to /persist, it's in the root.
hold on the file and select 'properties' or something to that effect.
change (or rather ensure) the permissions are READ & WRITE only for both owner and group (-rw -rw ---)
underneath permission you should see owner: set that to WIFI
exit and reboot
I know this is just reiterating what xXLuHXx, and many others have posted, but i wanted to ensure it was clear. You can do this via command line with adb I'm sure, but this is a fool proof way, and it worked for me.
Here are some links:
Es Explorer apk
Mirror for WCNSS_qcom_wlan_nv.bin (not sure if its the same link as the others have posted, but it's here)
Hope this helps someone