www.chinaphonearena.com

excuse my horrible english, so I have this phone:

I'm no mod recovery, the screen is completely black, it restores the factory does not help and I can not create a CWM Recovery on CTRv2.4, this the following error:


I also have these following error in MTK Droid:


can someone help me? need a cwm recovery for that version, or a backup, thank you!

Do you have a clone? It looks like you have a spreadtrum chip set, not MTK.
I'm not sure if you can build cwm the same way as for MTK devices.

You need to find out what your true hardware is.
Once you know, find a cwm recovery image built for your hardware.
Then you need to root the phone (if you haven't).
Use Mobile uncle tools to update your recovery with the cwm you found.

Try to make a backup of your ROM before installing cwm.

(2014-09-10, 21:17)Athos Wrote: [ -> ]Do you have a clone? It looks like you have a spreadtrum chip set, not MTK.
I'm not sure if you can build cwm the same way as for MTK devices.

You need to find out what your true hardware is.
Once you know, find a cwm recovery image built for your hardware.
Then you need to root the phone (if you haven't).
Use Mobile uncle tools to update your recovery with the cwm you found.

Try to make a backup of your ROM before installing cwm.

Can you tell me the tools, backup ROM for my hardware? and a prompt recovery tool CWN?

Athos,

specific spreadtrum tutorials don't exist here at CPA AFAIK
secondly CWM tutorials probably won't work
OP seems to have the CPU = SC6820
vroot works for a number of spreadtrums (but not mine)

OP try this

1) Download a NON-chainfire superuser (root) APK
[Only registered and activated users can see links Click here to register]

you should see an APK file
now copy it to the root or base of your sdcard

Then move to next step

2) Download Windows USB drivers from here
[Only registered and activated users can see links Click here to register]

3) install the usb drivers first by following this guide
DO NOT USE STEP ONE FROM GUIDE
start from step 2 please
[Only registered and activated users can see links Click here to register]

4) vroot tutorial seems to be short on details
Download it from here, assuming you have Windows PC
[Only registered and activated users can see links Click here to register]

5) Now you can install vroot to your computer

6) now you can run vroot from your PC,
IN ADMIN MODE, not as local user
and connect the data cable

7) there are youtube movies on how vroot is supposed to run
if connecting is taking over 5 minutes......ask for help but I can't help as I don't use windows

b) if connected and rooting seems to take more than 10 minutes
try again and again.....its not perfect

8) when phone reboots look at vroot screen
I have an old image from another forum that is for older version but you are looking for a tick as per image

You can not proceed unless tick is there



9) assuming tick is there you have root then on Android go into
system settings -> security -> tick box to allow unknown sources

10) remove cable from PC to Android

11) on Android go into file manager and go to sdcard
click on the superuser APK file and choose install

12) reboot phone and check if root exists

#############################

CWM BUILDING is much more difficult but we discuss only when device is rooted.

good luck

(2014-09-11, 09:09)aus9 Wrote: [Only registered and activated users can see links Click here to register]

you should see an APK file
now copy it to the root or base of your sdcard

Then move to next step

2) Download Windows USB drivers from here
[Only registered and activated users can see links Click here to register]

3) install the usb drivers first by following this guide
DO NOT USE STEP ONE FROM GUIDE
start from step 2 please
[Only registered and activated users can see links Click here to register]

4) vroot tutorial seems to be short on details
Download it from here, assuming you have Windows PC
[Only registered and activated users can see links Click here to register]

5) Now you can install vroot to your computer

6) now you can run vroot from your PC,
IN ADMIN MODE, not as local user
and connect the data cable

7) there are youtube movies on how vroot is supposed to run
if connecting is taking over 5 minutes......ask for help but I can't help as I don't use windows

b) if connected and rooting seems to take more than 10 minutes
try again and again.....its not perfect

8) when phone reboots look at vroot screen
I have an old image from another forum that is for older version but you are looking for a tick as per image

You can not proceed unless tick is there



9) assuming tick is there you have root then on Android go into
system settings -> security -> tick box to allow unknown sources

10) remove cable from PC to Android

11) on Android go into file manager and go to sdcard
click on the superuser APK file and choose install

12) reboot phone and check if root exists

#############################

CWM BUILDING is much more difficult but we discuss only when device is rooted.

good luck

the device was already root.

already downloaded several, but cwm recovery sc6820 is a white screen, and nothing appears

2) if so, you have root so I want you to upload your working boot.img
and link to it

we can then rebuild a cwm to use your extracted kernel and cwm ramdisk

good luck

(2014-09-11, 15:37)aus9 Wrote: [ -> ]2) if so, you have root so I want you to upload your working boot.img
and link to it

we can then rebuild a cwm to use your extracted kernel and cwm ramdisk

Alternatively if you already know what I mean about that other forum, post there and ask ElectronikHeart to build it for you.

good luck

I do not know how, could you teach me?

I am not sure.

there are 2 methods
A use flashtools....but I can't use it
B use android terminal
##########

assuming choice chosen is B
1) download from playstore Android terminal pls

[Only registered and activated users can see links Click here to register]&hl=en

2) open it and ensure you are root by

3) click on my signature and look at what image you are supposed to see for those commands........and report if different....better still take a photo and link to it.

do NOT proceed if there are errors please

############
proceed with caution

4) now in that terminal if you have root run this command and show the outputs

results include:
a number that is the decimal byte size
/dev/bootimg

5) if it exists, ensure you have sdcard in phone and do this


TAKE CARE YOU TYPE IT EXACTLY OR YOU RISK BRICKING YOUR DEVICE
TRY AT OWN RISK

6) upload sdcard's file called boot.img to a file sharing site and link to it in your reply

good luck which ever choice you make

(2014-09-11, 16:18)aus9 Wrote: [Only registered and activated users can see links Click here to register]&hl=en

2) open it and ensure you are root by

Code:

su
id

3) click on my signature and look at what image you are supposed to see for those commands........and report if different....better still take a photo and link to it.

do NOT proceed if there are errors please

############
proceed with caution

4) now in that terminal if you have root run this command and show the outputs

Code:

ls -al /dev/bootimg

results include:
a number that is the decimal byte size
/dev/bootimg

5) if it exists, ensure you have sdcard in phone and do this

Code:

dd if=/dev/bootimg of=/sdcard/boot.img

TAKE CARE YOU TYPE IT EXACTLY OR YOU RISK BRICKING YOUR DEVICE
TRY AT OWN RISK

6) upload sdcard's file called boot.img to a file sharing site and link to it in your reply

good luck which ever choice you make

I had this error.

I think it's no use I do a backup, I already changed my bootimg, and it does not work on my hardware, is a white screen when I try to enter the bootload

no its not that

something is wrong with your busybox, search for it at playstore
install it
run those commands again

2) you have root which is excellent