Allwinner A23 T900-Mainboard-v2.0 Firmware

Allwinner A23
T900-Mainboard-v2.0
Android Tablet Firmware 

A23 T900-mainboard-2.0-2014-04-29

a23  T900-Mainboard-v2.0

Board ID / PCB Img T900-mainboard-2.0-2014-04-29
Platform : Allwinner A23
Android Version : KitKat 4.4.2
Ext : .img
Flashing tool : PhoenixSuit Flashing tool 
File Size : 249.43mb
ROM : Stock Firmware not Rooted 
In case of forgotten pattern lock ,  gmail account on Allwinner A23 tablet , try hard reset first . Flashing stock firmware is last option . All Personal data will be erased during both flashing procedures. 

Lenovo A889 Hard Reset and Firmware

Lenovo A889 Hard Reset
Lenovo A889 Firmware 

Lenovo Smartphone 
GAPPS + CWM

Lenovo A889 Firmware


Updated : 

Lenovo A889 is best smartphone ,based on  Quad core 1.3 ,Mediatek MT6582 Processor with 8MP Camera with led flash light , Dual Sim , 8Gb Rom and 1Gb Ram. This smartphone carrying Android 4.2.2 as a Stock Rom. 


This how to tutorial will cover ” how to hard reset your Lenovo A889 Smartphone to factory setting or Flash with stock firmware “. If your smartphone is generating errors like unfortunately system stop working , or stock on logo or forget pattern lock or forget user code,Google Playstore not working ,  all you have to do is Hard reset via Android Stock or Custom System Recovery to clear all the errors . 


Hard Reset Lenovo A889

Lenovo A889 hard reset

Turn off your lenovo smartphone.
Hold Volume up and press power button.
When lighten up leave power but keep holding power up button. 
You will see factory menu with blue screen ,leave volume button now. 
Select 4th option “Clear eMMC” by pressing power button. 
This will take sometime and will erase all your internal storage.
 All the data will be lost . 
Android phone will be reboot automatically . 
Follow the screen for instruction . 
You are done . 
Lenovo A889 Hard Reset

Lenovo A889 Stock Firmware 

If you found your android phone is still generating same errors and did not solved the problem by hard resetting , then you need to flash your lenovo smartphone with stock firmware. Lenovo A889 Smartphone is Mediatek MT6582 cpu based smartphone . You need SP Flash tool to flash your Lenovo A889 to back it  normal . Providing Lenovo firmware is Android 4.2.2


Lenovo A889 Hard Reset



GAPPS not included mean after flashing stock firmware you will not be able to see google apps. This stock firmware is available without google apps . 

How to install GAPPS for Lenovo A889.


To install GAPPS on lenovo a889 you must root lenovo smartphone and install CWM (clockworkmod recovery) . After rooting and installing CWM ,  you must restart your lenovo a889 to recovery mode and click on “install GAPPS from SD” . This will include all google apps i.e Google Playstore , Gmail , Playstore Services etc . 

Allwinner A13 nuclear A703 T98 2 201301260 Tablet Firmware Download

Allwinner A13 Nuclear A703 T98 2 201301260

Tablet Firmware Download 

Tablet Firmware Download



Important Information regarding Tablet Flashing . 





Tablet Flashing Tools:

forfun q88 v1.3 stock rom
 Flashing
v1.3 firmware Allwinner A13 FIRMWARE
Flashing Done

Recommended Tools :


You can also use : Android Multi Tools


you can use this Android Tablet firmware,  ROM to restore your Android China tablets to generic firmwares or upgrades . Make sure to charge battery upto 60%. Power failure during flashing may result dead or broken tablets.
Note : Consider flashing Stock firmwares , as a last option.

How to repair,replace invalid imei on Android Tablets and Smartphones.

How to Replace or Repair  Invalid IMEI on Android Tablets and Smartphones.
Imei Invalid Android Fix 

Dany Genius Tab G4  Invalid IMEI Repair
MTK Tablets MTK TOOLS

What is IMEI ?


Imei is 14 digit base unique identity for Tablets and mobiles. You can find it under the battery starting with 35xxxx or 1xxxxxx .


This tutorial is about fixing Invalid Imei for your smartphone and tablets . If your imei is corrupt or invalid or showing Null ,then you won’t able to use your Sim card or GSM Services. Here is very simple way to repair invalid imei in Android tablets and smartphones. 
Note:- This tutorial is about MTK CPU Based Android Tablets. The tool and tutorial will only work for MTK Cpu based tablets . Do not try it with Allwinner or Rockchip based tablets
To check your imei you need to enter a code *#06# on your dialer . If imei is corrupted then it won’t show the proper imei.
To repair invalid IMEI on MTK CPU based  android smartphones and tablets , you need MTK Droid Tools.  Download MTK DROID TOOLS .
Turn on USB Debugging Mode on your tablet or smartphone.
Connect your tablet with computer and run MTKdroidTools.exe .


MTK Tablets MTK TOOLS


All information regarding your tablet will be show . On lower corner of software screen, you will see yellow box with name of your MTK devices. You must root your smartphone or android tablet to repair the invalid imei .
For Root click on Root button .

MTK Tablets MTK TOOLS


Some files will be run into software and the box in the lower left corner turn into green. You will see (Root Shell) written after your device name.(as shown below picture).A SU(Super User) icon will appear on your tablet or smartphone . 

MTK Tablets MTK TOOLS


Now Click on IMEI/NVRM button . Write Original IMEI or whatever IMEI you want . Do not forget to add country code in start before  IMEI number. For example, the user in united state of america must add 01xxxxxxxxxxxx and then 12digit IMEI .  IMEI must be 14 digit long. First two digit of your country code and then 12 digit of IMEI number. Click on Replace IMEI. A pop up window will appear click OK . 


MTK Tablets MTK TOOLS


Changes will take effect shortly . If you still not see IMEI then Reboot tablet with reboot button. IMEI number will be available as show below. You are done. Now you can use SIM, 3G/4G,GPRS features on your tablet or smartphones. 

MTK Tablets MTK TOOLS



I have personally Repair Invalid IMEI with above written method. I used  to repair IMEI of DANY GENIUS TAB G4 and the method worked like charm. I do not take responsibility of any damages. 



DEAD TRIGGER Paid Game for Android free download

DEAD TRIGGER Android Game 
Download free Android Game 


A very famous shooting and zombies killing game for Android smartphones and tablets. Dead Trigger has stunning graphics with awesome scene . You have to save your self from zombies by using modern weapons technology .Machine guns , M16 , riffles are part of Android game. Player will be equipped with heavy weapon. 

Game Features: 


Water simulation in Tegra 3 
 HD graphics 

 3D characters & audio with 3D engine 
 Perfect controls over game
 In Tegra 3 Randall effects
 Try to Shoot in the enemies head & sensitive parts 
 A great story line with random game play 
Free Download paid game
Status was paid but now you can download this game free from Google Playstore. 



Ainol Novo 8 Mini ATM7021 Stock Firmware

Ainol Novo 8 Mini Stock Firmware 

ATM7021 Android Tablet.

Action CPU based Tablet. 




Ainol Novo 8 Mini is Action ATM 7021 CPU based Android tablet. For flashing Action chip tablet you need to download Actions PAD Product Tool

How to Flash ATM7021 ACTION Android Tablet .



How to Flash ATM7021 with Actions PAD Product Tool ?



Follow the tutorial to flash android tablet. Make sure to charge battery more than 60%. Do not select wrong firmware . Wrong selection may result dead tablet. Before downloading firmware check out board id correctly . if you are not familiar with board id kindly read how to check board id of Android Tablet. 


Allwinner A33 Trimeo Tablet 4.4.2 STock Firmware

Allwinner A33 Quad Core
 Trimeo 7 inch Tablet KitKat Firmware
Android 4.4.2 STock Rom. 

Allwinner A33 Firmware 

 Trimeo 7 inch Tablet KitKat Firmware


Trimeo tablet is android based tablet having Allwinner A33 Quad Core CPU. This firmware is based on Android KITKAT 4.4.2  stock rom for trimeo tablet. If you have desire to update your trimeo tablet on kitkat 4.4.2 you need to flash your tablet with provided stock rom. You must know board ID and CPU of your tablet if your tablet main chip / CPU is Allwinner A33  you can flash this stock rom. Other than Allwinner A33 Chip this firmware is not going to work or you will brick your tablet. PhoenixSuit flashing tool will be use to flash this Kitkat rom on your tablet. If you are new to flashing procedure of allwinner a33 tablet , you must read tutorial “How to flash Allwinner tablet with PhoenixSuit Flashing Tool .
This firmware could be use if your tablet is hang on logo , forgotten pattern lock or multiple errors generated by OS but you must hard reset your allwinner tablet via Android System Recovery before flashing . 

Android Version : 4.4.2 Kitkat
File Size : 411 mb
File Ext. : img 
Build number: astar_chiphd-eng 4.4.2 KVT49L 20150331 test-keys 

All the images and files are property of their respected owners. 

HTC smartphone stuck in bootloader Solution

How to fix HTC smartphone stuck in bootloader and won’t turn on cause of low battery. 

Solution : how to unbrick HTC android cellphone 
android cellphone


HTC smart phones are best android cellphone in the market with competition of other well known brands. Sometimes HTC phones stuck into bootloader and won’t turn on . The cause of this problem is your smartphone battery is too low , you were trying to update your android cellphone or you were playing with bootloader. This tutorial will only solve the problem and bring your HTC phone back from the problem if your HTC phone is stuck into bootloop caused by too low battery  less than 10% and you are not able to  charge your android cellphone battery via socket charger or usb .
Note:  (3875mV is equal to 10% of battery charging).

So what’s the solution ?

Debug mode  is not necessary for this process . All you have to do is turn your htc smartphone bootloader. 

Method 1. 

Copy these codes and paste them into .txt file then convert it to .bat file.

@echo off
:start
fastboot getvar battery-voltage

fastboot reboot-bootloader


ping /n 6 localhost >nul



goto start

Method 2.

Download the text file contain on these codes and rename .txt to .bat. You can also change file name . 

android cellphone

Method 3.

use adb commands to write these codes step by step.  


(Following method 1 and 2).

HTC smartphone stuck in bootloader Solution


Copy .bat file into android-sdk folder . (C:Program Files/Android/Android-sdk/platform-tools ). Double click on .bat file . In the return you will see different lines running in command prompt . You will also notice battery voltage start increasing with every step. Your HTC android cellphone  keep restarting after increase of every volt of battery. The process will take  upto 1 hour(depend on the voltage of your battery) to increase your smartphone battery voltage to meet the minimum boot requirement by HTC.  Minimum 3850mV is required to light up any HTC android cellphone but you can increase the mV level as high as you want. 


android cellphone
  • The following method was adopted from xda-developers.com and tested by myself. Android soldier does not claim any rights  to above said method and programing file or codes. All credit goes to its original owner. All the logo’s are property of their respective owners. If you have inquiries regarding this post please write in comments section. 


How to Hard Reset Samsung Galaxy S4

Hard Reset Samsung Galaxy S4

How to hard reset Samsung Galaxy S4

hard reset Samsung galaxy s4
Samsung Galaxy S4


What is Hard Reset. 

The best thing about Android OS is, providing key combinations to solve the problem of your Android devices known as Hard Reset. With the help of key combinations you succeeded to enter in Recovery mode where you find different options . The most amazing and mostly used option is called Delete user data.  

When you Restore/Reset your Android device to state when it  left the factory or first time the Smartphones or Tablets turns on for very first time ,called Hard Reset. 


How to hard reset Samsung Galaxy S4 ?

hard reset galaxy s4

Turn off galaxy S4. You can Pull out Battery to turn it off quickly. 
Press and hold Volume Up and Home button. 
Now press power button while holding other two buttons. (Volume UP+Home).
Samsung Galaxy S4 will vibrate , leave the power button but still hold other buttons until you do not see recovery menu
Use volume + (UP)and volume -(down) buttons to select the “Wipe data /Factory Reset“.
Confirm Using Power button (Power button = Enter )
Select “Yes — delete all user data ” 
When done select “Reboot system now” and confirm using power button.
It will take some time to complete reboot process . 

Note: The above said procedure will delete all your data. make sure to backup your data when android devices are in working positions. Otherwise no tears. 

RK3026 YK86VS-RK3026-V1.1 Rockchip Android Tablet Firmware

Rockchip RK3026

Android Tablet Firmware 
YK86VS-RK3026-V1.1 and
YK86VS-RK3026-V2.0 test.

How to Flash Android Tablet. 

YK86VS-RK3026-V1.1



This firmware is only suitable for Android tablets based on Rockchip RK3026 CPU. Do not attempt this firmware to other Rockchip CPU. If your tablet having basic errors (bootloop,hang on logo,forgotten pattern lock , Gmail account) try Hard Reset first. Playing with Stock Firmware is always last option. Before flashing Rockchip tablets you must know which firmware is compatible with your tablet . Applying wrong firmware may result unexpected behavior . 


Before flashing Rockchip Tablets : 



How to Flash Rockchip Tablets .

Download Tablet Firmware v1.1 RK3026-YK86VS-V1.1
Download Tablet firmware v2.0 YK86VS-RK3026-V2.0 
Turn on your tablet into Rockchip flash mode (boot mode). 
Open Rkbatch Tool
Select .img file to flash Rockchip


Note:- Make sure to choose correct firmware.