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24 How to Fix Booting Failure
This documentation is intended to provide repairing guide in case of booting failure of TizzBird.
TizzBird F10/F11/F20/F30 is based on Android Gingerbread
This repairing method is only applied from firmware revision 2.0.6 or later for F10/ F11/ F20/ F30.
24.1 Abstract
The symptom of booting failure looks like as below.
Symptom A: No changes at BOOTING ANIMATION (Animation with black background)
Symptom B: No changes at BOOTING LOGO (Tizzbird text with white background)
Above symptoms may be caused by several different reasons. There are two ways to fix these
symptoms.
Symptom A : Can be fixed using
Safe Mode Booting
.
Symptom B (or Symptom A) : Can be fixed using
System Recovery Mode
.
24.2 Repairing by
Safe Mode Booting
Please follow below steps.
1) Power off device completely then turn it on again.
2) As soon as you see BOOT LOGO (TEXT with white background), press and hold <MENU>
button on remote until home screen comes up.
3) You can read “Safe Mode” text at left-bottom side of screen, when you enter the SAFE
BOOTING MODE.
After
SAFE MODE BOOTING
, you need to do one of below action items.
Action item #1
Uninstall last APKs you have installed, as they may cause a booting failure.
Action item #2
You need to back up your personal data and installed packages so far.
Do Set Factory Default by selecting Settings Browser System Advanced
Settings Set Factory Default with Erase all option.
24.3 Repairing by
System Recovery Mode
24.3.1 Preparation
1) Prepare USB flash drive which has more than 128MB of free space.
2) Download the latest upgrade firmware from Tizzbird WEB (http://www.tizzbird.com)
according to your device. Normally the name of upgrade package is something like
Tizzbird_mmm_update_vvv.tzbird. mmm
means model name like F3x, F20.
vvv
means update version and date like V2_06_2102115.
3) Copy downloaded firmware to root folder of USB flash drive. Then rename it update.zip
24.3.2 Entering System Recovery Mode
1) Power off device completely then turn it on again. If youre not sure, pull the power cable off
then reconnect it.
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