How to Easily Master Format LENOVO A850 with Safety Hard Reset?

Tips and tricks for solving LENOVO A850 / A850+ problem. When we need Android smartphone with big LCD screen and reasonable price, then LENOVO A850 is the answer. Because LENOVO A850 have 5.5 inches LCD screen width IPS capacitive touch screen. If we like to take pictures a lot, LENOVO A850 will help you to fulfill that need by using 5 megapixel digital camera and also have LED flash to help taking better photo in low light conditions.

 

What is the different between LENOVO A850 vs LENOVO A850+ (PLUS) ?

Actually almost all specification are not different between A850 compare with A850 PLUS, except A850 PLUS using newer processor Mediatek MT6592M that can give maximum clock speed at Octa-core 1.4 GHz with faster GPU (graphic processor unit)  Mali-450MP4 to play 3D HD Games without problems at the same 5.5. inches LCD screen.

 

What is Advantage of LENOVO A850 / A850+ (PLUS) Specifications:

GSM 3G HSDPA Dual SIM GSM-GSM
LCD 5.5 inches touch screen
Internal memory 4GB
RAM 1GB
External memory microSD, up to 32 GB
Main Camera 5 MP, 2592х1944 pixels, autofocus, LED flash
Front camera for VGA for Picture and Video conference
Processor Quad-core 1.3 GHz Cortex-A7 for LENOVO A850
Processor Quad-core 1.4 Ghz Cortex-A7 for LENOVO A850 PLUS
GPU Mali-400MP2
Operating system Android OS, v4.2.2 (Jelly Bean)
Battery Li-Ion 2250 mAh

 

How to Fix or Problem Solving for Recovery LENOVO A850 / A850+ (PLUS) hang or not responding or malfunctions or stuck or freezing or bricked ?

Having big LCD screen Android will make us feel so happy to play games or install other applications from Google Play Store. But we have to know that not all applications will run smooth in LENOVO A850 because some creator does not make their applications in good functions, especially for LENOVO A850. In this case, if we force to install unnecessary applications, sometime it will make our smartphone become hang or stuck or bricks or frozen or blank or LCD touch screen not responding. If we get this problem, we need to try doing soft reset or reboot or restart LENOVO A850 to delete cache and temporary files. If LENOVO A850 still get the same problem, we need to do hard reset or master format.

 

How to force Soft Reset or Reboot or Restart LENOVO A850 / A850+ (PLUS)  ?

When we use LENOVO A850 and get hang or stuck or frozen problem in the middle of using applications, we can try to force reboot or restart LENOVO A850 by pressing POWER BUTTON for several seconds. If the POWER BUTTON can not work, then try to remove the battery of LENOVO A850 by open back case cover and unplug the battery for about 5 seconds. After that we can plug it again in the right positions and turn on LENOVO A850 to finish the restart or soft reset step. In normal situations, doing soft reset or reboot can be done by pressing POWER BUTTON for several seconds until the pop up menu appear, then choose Restart or Reboot to soft reset LENOVO A850. Doing soft reset is safe, because this step will not erase or wipe any important data like contact or photo or files from LENOVO A850.

 

 

How to Hard Reset LENOVO A850 with Hardware Button key:

1. Confirm and make sure that LENOVO A850 Battery is fully charge or not empty
2. Turn off LENOVO A850
3. Press together : POWER + VOLUME UP about several second, that the warning will appear at the LENOVO A850
4. You can also try to press POWER BUTTON until Lenovo logo appear, then continue press VOLUME UP + VOLUME DOWN together until menu appear
5. Choose: Reset Device or Wipe data or Clear eMMC
6. Make sure we already sure than we know that our application and data will be loose or clear while Resetting LENOVO A850

 

How to Restore and Reinstall or Reformat Clean Android Operating system / firmware at LENOVO A850 / A850+ (PLUS) ?

LENOVO A850 using Android as operating system, in the first production when ship to store, LENOVO A850 use Android Jelly Bean version 2.2 which run very smooth in this smartphone. After using several month and install many applications, sometime the operating system could damage or broken. In this case maybe we need to reinstall or restore clean and factory default Android operating system or firmware. The source file of factory default Android operating system already saved inside LENOVO A850 rom. We do not need to copy any data for preparing the reinstall step. Just follow the hard reset step above, then the clean and factory default setting Android operating system will be reinstall by itself. The time to reinstall will take less than 5 minutes. Please make sure all data already backup before doing reinstall or hard reset, because all data will be wipe or removed from internal memory.

 

How to Unlock or Fix or Bypass or Solutions for LENOVO A850 / A850+ (PLUS) forgot password code or security lock screen pattern or pin (lost password)?

The recommended options to give security protections for LENOVO A850 is using screen lock pattern. Some user still also like to use password pin protections. We can easily choose and change how to secure our LENOVO A850 data when the phone away from us, but using screen lock pattern is faster to open then using password in some situations. The problem happen when we forget the answer of that screen lock pattern or password pin protections. We do not need to worry, because Android have option to bypass or unlock forgotten screen lock pattern or password pin protection. Please do several time wrong answer for that security protection continuously until the phone frozen or locked for several seconds. In this time, we will see Forget Password / Pattern button to help us unlock protection using Google account or Gmail account. If we can not use or Google account at this phone, then we need to do hard reset or master format.

 

How to Improve Performance LENOVO A850 / A850+ (PLUS) to make run more faster?

Running LENOVO A850 for Games or doing office activity will be fun if the phone does not have problem. But some user have problem with their LENOVO A850 which run more slowly then before. As far as we know, if the phone run slowly, because there are many applications run in the background and the processor LENOVO A850 performance will be working more hard when that applications doing update or work in progress. That is why we are really recommend for uninstall not use applications, especially which run in the background. If we can not find out which applications that make problem, and need to tweak LENOVO A850 performance run more faster again like beginning, then we may need to perform hard reset or master format to clean anything from our phone and run with factory default applications. After that we can carefully choose and install only specific applications that we use everyday.

 

Is That Any Secret Code for Doing Format LENOVO A850 / A850+ (PLUS)?

There is no secret hidden code for LENOVO A850 to make it back to factory default. Do the options above to hard reset it.

 

How to Upgrade or Update LENOVO A850 / A850+ (PLUS) operating system to Kitkat or Lollipop or Marshmallow or newer Android version?

By default the shipping ROM of LENOVO A850 is Jelly Bean version 4.2.2. Base on the specifications, the LENOVO A850 can be upgrade to Android Kitkat version, but unfortunately until we write this articles, there is no official upgrade for LENOVO A850 to Android Kitkat version. However, there are some other unofficial Kitkat ROM for LENOVO A850 from other community homepage, but if we are not sure how to upgrade it, please do it carefully, because it could make our LENOVO A850 broken or can not use anymore. Using official Jelly Bean at LENOVO A850 is still recommended to use everyday without problems.

This problems also happen at newer version, LENOVO A850 still can not upgrade to official Android Nougat or Android Oreo or Android Pie, because the official development for firmware upgrade at LENOVO A850 has been discontinued.