Problem solving and tricks for LENOVO S820. This is Android smartphone with 4.7 inches LCD Screen, and have two sim card slot GSM GSM which on together. The processor of LENOVO S820 is Quad Core 1.2 GHZ from Mediatek with MTK 6589W type processor. We already get Android Jelly Bean operating system from LENOVO S820.


What is Advantage of LENOVO S820 Specifications:

LCD 4.7 inches touch screen
Corning Gorilla Glass screen protection
Internal memory 4 GB
External memory microSD, up to 32 GB
Main Camera 12 MP, 4000 x 3000 pixels, autofocus, LED flash
Front camera for 2MP for Picture and Video conference
Processor Quad-core 1.2 GHz Mediatek
GPU PowerVR SGX544
Operating system Android OS, v4.2 (Jelly Bean)
Battery Li-Po 2000 mA




How to Fix or Problem Solving for Recovery LENOVO S820 hang or not responding or malfunctions or stuck or freezing or bricked ?

We can use LENOVO S820 for doing almost any applications which can be download from Google Play Store, because the specifications of LENOVO S820 is already have quad core processor with 1.2 Ghz. The GPU PowerVR SGX544 also have good performance for playing HD Game. But as we know some applications from Google Play Store is not created seriously. Some of them are not compatible with LENOVO S820. In this case we can get some problem when running that applications at our smartphone, like hang or stuck or bricks or frozen or LCD touch screen not responding. Please try to do soft reset or reboot or restart if LENOVO S820 get this problem. If we still find problem with LENOVO S820 then we need to do hard reset or master format.


How to Soft Reset or Reboot or Restart LENOVO S820 ? 

The fast way to reboot is by removing the battery of LENOVO S820. After the LENOVO S820 battery removed, you can plug it again in the right positions, after that you can try to turn on the LENOVO S820 to reboot or soft reset. This step is safe, none of our important data will remove. Other way to restart or soft reset If the phone still can be access, and need to soft reset, try to press power button several seconds, until menu appear. Choose restart/reboot than the LENOVO S820 will do the soft reset or restart. This is safe to do because all data or installed applications will not removed.



How to Hard Reset LENOVO S820 with Hardware Button key:

  1. Confirm and make sure that LENOVO S820 Battery is fully charge or not empty
  2. Turn off LENOVO S820
  3. Press together : POWER + VOLUME UP about several second, that the warning will appear at the LENOVO S820
  4. Choose: Reset Device or Wipe data or Clear eMMC 
  5. Make sure we already sure than we know that our application and data will be loose or clear while Resetting LENOVO S820

How To Make Recovery Mode at LENOVO S820 :

  1. Turn off LENOVO S820
  2. Please make sure the battery fully charge or not empty
  3. Press POWER BUTTON about 2 seconds
  4. After 2 seconds, do not release POWER BUTTON, and continue press VOLUME UP and VOLUME DOWN. So at the end, you will press 3 buttons together (POWER BUTTON + VOLUME UP and VOLUME DOWN) until the phone show menu.
  5.  Choose and follow the menu at the screen.

How to Restore and Reinstall Clean Android Operating system / firmware at LENOVO S820 ?

If we need to do reinstall or restore the clean and factory format Android operating system from LENOVO S820, we can do it easily, because the operating system already saved inside the LENOVO S820 ROM, so we do not need to copy anything from outside LENOVO S820. Doing hard reset or master format step, then the clean and factory format operating system will be reinstall or restore to this phone. Please make sure you already charge the battery LENOVO S820 fully or more than 50% to reduce the power loose risk which can make our phone become trouble.


How to Unlock or Fix or Bypass or Solutions for LENOVO S820 forgot password code or security lock screen pattern or pin (lost password)?

To make our LENOVO S820 become more secure can be done with activate the security protection, we recommended using password pin protection or screen lock pattern to protect LENOVO S820. The problem sometime happen to user who forget the answer of that security protection or pin or screen pattern. How to unlock it? Do not worry, because Google give solutions by pressing Forget Password / Pattern button at this phone, to bring as the new field asking about our Google account and password which already installed before at our LENOVO S820. If in some case we can not access Google account, than we need to do hard reset or master format to by pass it.


How to Improve Performance LENOVO S820 to make run more faster?

LENOVO S820 have good processor and big RAM 1Gb. This specifications is fast enough to run Android applications. But some user also said that the LENOVO S820 become slowly after use for several months. Some problem happen because we see there are many applications installed and run as background process. That applications sometime need more resource when they do update or doing other things. This can make our LENOVO S820 become slowly. To make the performance of LENOVO S820 become run faster again, we need to uninstall several applications which we are not use too much. If the LENOVO S820 performance still slow and need to make it back faster again, then please consider to do hard reset with master format. Please remember to do backup first before doing any hard reset or master format way, because all important data will be wipe or removed from LENOVO S820.



Is That Any Secret Code for Doing Format LENOVO S820 ?

There is no secret hidden code for LENOVO S820 to make it back to factory default. Do the options above to hard reset it.


How to Upgrade LENOVO S820 to Android Kitkat V.4.4 ?

Until we write this information, the user of LENOVO s820 still not get official for Android Kitkat update from Lenovo. However, at some community we can find many custom ROM that can upgrade our LENOVO s820 to Kitkat, but please remember, doing root or flash with custom ROM can make our LENOVO s820 stuck or bricks because of some wrong steps. Please consider before doing install or upgrade with custom ROM. We should know that some not perfect custom ROM also can make the functions of LENOVO s820 not work properly. For daily activity, using LENOVO s820 with Android Jelly Bean still work with good state without problems.

Update Information: Now some country for LENOVO S820 user already received the official Android Kitkat version with OTA (Over The Air) update. Please try to find from Menu Setting > About > System update.


Latest Discussions & Share Information:

[Q] Hi, please i need urgent help. I updated my lenovo S820 and the new system is in Chinese. Iv tried hard reset over and over but tis not working. dev advised me to flash the phone but dont know how to go about it. im scared.
[A] Hi, it is better to bring your Lenovo S820 to Lenovo authorize service center, because if you flash using your own computer, some wrong steps can make your phone become trouble or corrupt.

[Q] After i do hard reset, how long i need to wait before i make the recovery?
[A] Hi, usually all steps will not more then 10 minutes. If longer then that maybe your Lenovo S820 reformat is stuck and need to try one more time.

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