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[Q] Can't access recovery menu (black screen)

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CPUzX
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Default [Q] Can't access recovery menu (black screen)

Hello.
I recently bought a Chinese Mediatek 'pbablet' phone/tablet combination; running Android 4.2.2 Model: MTK6572.
Due to it being cheap, it was ideal so I thought, for flashing and development, however I maybe wrong.

However I cannot get it into recovery mode. It won't display the menu when holding down volume + and the power button when powering on.
When pressing these two buttons together on start-up, it actually remains a black screen, and it won't turn on after doing this, and I have to keep pressing the tiny reset button on the side of this device every time I attempt to enter recovery, to get it to turn on as normal again.

Pressing and holding volume - and power at the same time on start-up brings up "Factory mode" (in Chinese) and has no options available for flashing/ROM/ functions, except 'testing' the devices' hardware. This phone doesn't have any other physical buttons except power, volume + and -

I am able to successfully enter CWR by flashing it with MTKDroidTools and rebooting into the recovery mode (while powered up and in the android OS) however I still cannot get into CWR or any recovery mode at all while powering up with power and volume +

I just want to be able to enter a recovery mode on this device, to ensure no future issues and doubts upon the unfortunate events of a permanent brick. My idea is to flash this phablet with ParanoidAndroid; or cyanogenmod, and I could try doing this with a software reset, but then what if the ROM is incompatible, and totally bricks it? Then I have no way in hell to revive and reflash, because I can't access the recovery mode anyway.

I have came to the conclusion that it maybe due to the filesystem, potentially due to it's fbifs, that is the cause to no recovery mode, but what if it's ext4, does any of this make a difference.

Is there any way to make this device open the recovery menu while powering it on?

When I attempt to enter recovery mode while powering up with volume +, the device is basically a brick, until I press reset. It doesn't respond at all. The only way to enter recovery menu is by booting into android resetting the device into recovery mode via an app.
What's the deal with this, please can anyone guide me out of this noob pit, and make progress to this issue? Thank you.


Device Info -
Hardware : MT6572
Model : MT6572
Build number : ALPS.JB3.MP.V2.0
Build date UTC : 20131104-123514
Android v : 4.2.2
Baseband v: MOLY.WR8.W1315.MD.WG.MP.V1, 2013/09/18 03:24
Kernel v : 3.4.5 (breaze@urbetter-Linux6) (gcc version 4.6.x-google 20120106 (prerelease) (GCC) ) #10 SMP Thu Dec 19 09:40:47 CST 2013
Uboot build v : -----
LCD Driver IC : 1-hsd070idw1

Scatter eMMC -

PRELOADER 0x0
MBR 0x600000
EBR1 0x680000
NODL_PRO_INFO 0x700000
NODL_NVRAM 0xa00000
NODL_PROTECT_F 0xf00000
NODL_PROTECT_S 0x1900000
NODL_SECCFG 0x2300000
UBOOT 0x2320000
BOOTIMG 0x2380000
RECOVERY 0x2980000
SEC_RO 0x2f80000
NODL_MISC 0x2fc0000
LOGO 0x3040000
NODL_EXPDB 0x3340000
ANDROID 0x3d40000
CACHE 0x2c740000
USRDATA 0x43f40000
NODL_FAT 0x96b40000
NODL_BMTPOOL 0xffff00a8

preloader 0x0000000000600000 0x0000000000000000 2 /dev/misc-sd
mbr 0x0000000000080000 0x0000000000000000 2 /dev/block/mmcblk0
ebr1 0x0000000000080000 0x0000000000080000 2 /dev/block/mmcblk0p1
pro_info 0x0000000000300000 0x0000000000100000 2 /dev/block/mmcblk0
nvram 0x0000000000500000 0x0000000000400000 2 /dev/block/mmcblk0
protect_f 0x0000000000a00000 0x0000000000900000 2 /dev/block/mmcblk0p2
protect_s 0x0000000000a00000 0x0000000001300000 2 /dev/block/mmcblk0p3
seccfg 0x0000000000020000 0x0000000001d00000 2 /dev/block/mmcblk0
uboot 0x0000000000060000 0x0000000001d20000 2 /dev/block/mmcblk0
bootimg 0x0000000000600000 0x0000000001d80000 2 /dev/block/mmcblk0
recovery 0x0000000000600000 0x0000000002380000 2 /dev/block/mmcblk0
sec_ro 0x0000000000040000 0x0000000002980000 2 /dev/block/mmcblk0
misc 0x0000000000080000 0x00000000029c0000 2 /dev/block/mmcblk0
logo 0x0000000000300000 0x0000000002a40000 2 /dev/block/mmcblk0
expdb 0x0000000000a00000 0x0000000002d40000 2 /dev/block/mmcblk0
android 0x0000000028a00000 0x0000000003740000 2 /dev/block/mmcblk0p4
cache 0x0000000017800000 0x000000002c140000 2 /dev/block/mmcblk0p5
usrdata 0x0000000052c00000 0x0000000043940000 2 /dev/block/mmcblk0p6
fat 0x0000000051440000 0x0000000096540000 2 /dev/block/mmcblk0p7
bmtpool 0x0000000001500000 0x00000000ff9f00a8 2 /dev/block/mmcblk0

Sorry for being such a noob, I don't know if any of this information is useful in the slightest.
 
Sakthivel_Subbiah
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Phone device name???

hey tell your device name and brand.. and also do you have backup of your stock rom???
 
CPUzX
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Quote:
Originally Posted by Sakthivel_Subbiah View Post
hey tell your device name and brand.. and also do you have backup of your stock rom???

Alps MT6572
yes, I managed to backup my stock rom.
 
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Post Use sp flash tools

Download Sp flash tools. Load scatter file MT6572_Android_scatter_emmc.txt from your backup. Uncheck all options except recovery dont click preloader because if you flash wrong preloader it will brick your device. then click download button and connect your phone without battery via USB now watch for red blue and yellow lines then finally a window with a green circle download ok. now you can remove usb plug and boot your phone into recovery..

Note: You need mtk vcom preloader drivers before using sp flash tools. just connect the phone without battery your computer will detect it automatically and click install drivers automatically
 
CPUzX
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Quote:
Originally Posted by Sakthivel_Subbiah View Post
Download Sp flash tools. Load scatter file MT6572_Android_scatter_emmc.txt from your backup. Uncheck all options except recovery dont click preloader because if you flash wrong preloader it will brick your device. then click download button and connect your phone without battery via USB now watch for red blue and yellow lines then finally a window with a green circle download ok. now you can remove usb plug and boot your phone into recovery..

Note: You need mtk vcom preloader drivers before using sp flash tools. just connect the phone without battery your computer will detect it automatically and click install drivers automatically


Thank you very much for explaining this solution, but the battery for my device is built in; sealed and I can't take the battery out, so does this mean I can't use SPflash?
 
Sakthivel_Subbiah
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Quote:
Originally Posted by CPUzX View Post
Thank you very much for explaining this solution, but the battery for my device is built in; sealed and I can't take the battery out, so does this mean I can't use SPflash?
If you have reset button on your tab press it and you can connect usb by holding vol up button and releasing it after it is detected by sp flash tool(red bar) if you dont have reset button just switch off and keep it for 5 min and give a try... but make sure that you clicked only the recovery...

if sp flash tools doesnt recogonize your phone, just go into factory mode and keep it a side open minimal adb and fastboot or you can download from this thread http://forum.xda-developers.com/show....php?t=2317790 just copy your recovery.img from backup and paste into the folder where minimal adb and fastboot.exe is placed. now open minimal adb and fastboot now connect your phone via usb in factory mode now type:

adb reboot bootloader( now your phone reboots into a black screen)
type fastboot devices and see if there is any device id or name if it shows your device name then type
fastboot flash recovery recovery.img (make sure that you have copied recovery file named recovery.img in same folder)
now flashing will progress after done type fastboot reboot (Now your device will reboot)
then now switch it off again and go into recovery mode!!!
 
bitmanrc2
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Default MT6572 teeamge e701

hello, I also have a similar phone to your rom to flash tool you create me, please, I need to restore my phone table. thanks

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