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Enable/Disable USB MASS STORAGE mode




from XDA Developers:

Here it is:

  1. Install Android Terminal Emulator
  2. Type (each command in its own line):

    setprop persist.sys.usb.config mass_storage,adb

Here is a article on XDA for more info on persist.sys.usb.config and how to get back to MTP.




ext-sd card permission fix

go in     /system/etc/permissions/platform.xml

Find text

<permission name="android.permission.WRITE_EXTERNAL_STORAGE" >
    <group gid="sdcard_rw" />

And replace it with

<permission name="android.permission.WRITE_EXTERNAL_STORAGE" >
    <group gid="sdcard_rw" />
    <group gid="media_rw" />





Dicra Tab 307 compatible firmware.

All right, finally I found a compatible rom for my android tablet “Dicra Tab 307”: it was almost impossible to find the original rom, none has it!

So, I found this:


and it works perfectly!

It is a fast rom, better than the original one.



-prepare an sd-card with the tool “Phoenixcard”

-burn  the .img firmware file on the sd-card

-turn off the tablet, insert the sd-card and turn on the tablet.

-a progress bar appears on it

-wait for finish

-turn on again the tablet

that’s it!