Categories: Factory Default

How to Easily Master Format LENOVO S820 with Safety Hard Reset?

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:

GSM 3G HSDPA Dual SIM GSM-GSM
LCD 4.7 inches touch screen
Corning Gorilla Glass screen protection
Internal memory 4 GB
RAM 1GB
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.

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View Comments

  • Hi my lenovo s820 firmware is slow. I already download and install latest firmware. After i download and finish installing it becomes faster but once the phone turns sleep when i open or use it again the firmware is back for being slow. How will i resolve it?

    • Hi, if your phone running slow after run in some period of time, then we suspect your trouble come from the applications. Some user have problem to find which applications that make this problems. But you can try to find out first from Menu Setting > Apps > Downloaded. If you can not find that applications either, then you should consider to do hard reset or master format to make your applications back to default again. Try to run test for ensure that the speed already back to faster again using default applications. Hard reset also recommended to do after we do update for firmware at our Lenovo S820, especially when we feel the phone not working properly after doing update.

  • i tried doing a hard reset on my s820, i pressed power+vol up but the menu that appeared is in chinese, is there anyway to change it to english? or any translations of what the menu says.. thanks

    • Hi, you can try to find the text with word eMMC at that Chinese menu text and do/follow several steps after that.

      • I have to hard reset its in Chinese. You said find the one with e mmc but how do I choose it? I keep on touching nothings happening. I push power button it just turns off

        • Hi, please try to use volume button to navigate while you already at recovery boot-loader at your Lenovo S820. At recovery positions, the Lenovo S820 will not response while we touch anything at the LCD screen, just use volume button to navigate and power button to OK.

          • hi,

            after doing all that, it will pop up lenovo start up for few time right? Thats mean the reset process is being done? Please help me.

          • Hi, usually after hard reset process done, your Lenovo S820 will be turn on normally again, then you need to setup from beginning again like Google account login and install important applications from Google Play Store.

  • My lenovo s820 recovery mode is in chinese , please help me to understand and repair my phone.
    Thanks... For your post.

    • Hi, if after press hardware button for hard reset your Lenovo S820 recovery menu show with Chinese language, then you should try to navigate to text which contain the word eMMc. Choose that menu and try follow some steps after that.

    • Hi, moving picture from Lenovo S820 is the same steps as you move other files to another folder. You can use default File Manager at your phone, or you can try 3th party file manager from Google Play Store like ES File Manager or something similar that. Open the file manager, browse / choose DCIM folder, because all default camera images or pictures saved at DCIM folder. Then you can Copy and Paste to other Folder / Album that you create.

  • hello, why my s820 always got a chinese writing everytime i save a contacts number? any toughts?

    thanx-

    • Hi, please make sure your Lenovo S820 language at keyboard setting already setup to English, do not activate any Chinese options. The other alternative you can do, try to download 3th party keyboard from Google Play Store, some of them that you can try have name: Go Keyboard or Smart Keyboard, most of them free although some free keyboard have disable some more options, but using free keyboard to replace default keyboard still have some benefit, including your automatic Chinese character when you write phone book.

  • I just bought lenovo s820 and satisfied with the quality of the camera.. But there is one problem.. When taking video, there is no problem if took it without moving.. But if I want to move to the left and to the right, the video stops for awhile.. That makes the video not smooth and seems like there is some transition going on.. Is there any solution how to make the video smooth ? For more detail, check this youtube video.. It is 100% the same.. Please help me admin ! http://www.youtube.com/watch?v=L4v8utHH0JI

    • Hi, this problem seems because the LENOVO S820 video recording bitrate is not too high. Therefore you can not move to fast while recording video using this camera. This situations not only happen at Lenovo S820 camera, but will happen to some brands when the minimum specification can not fit to video recording. As we know phone camera only suitable for support our daily activity while we are not bring real camera or video recording, but if you really need good camera or video recording result, then you need to consider buy or use real dedicated camera or video gadgets.

  • How long does a lenovo s 820 hard reset take ? I can see a counter repeatedly going from 120 to 160

    • Hi, try to do carefully. Turn off your Lenovo S820, try to go to recovery mode by press button:
      Power Button about 2 seconds then continue with Volume Up + Volume Down together (do not release Power Button when pressing Volume up and Volume down, so at the same time after 2 seconds, you will press POWER + Volume Up + Volume Down until the menu appear.

  • My lenovo s820 cameras do not work, both front and back ones. When i turn super camera on, it shows black screen for few seconds, then the screen goes totally green. If I try to take photos, it freezes and shows a message " lenovo camera and gallery is not responding. Do you want to close it now?" Sometimes it seemed that the picture had been taken .but nothing was added to the gallery.

    • Hi, there are some tutorial at other community to make the Lenovo S820 camera become better then upgrade to latest Super Camera firmware. As far as we know, using this facility should root your phone and flash it with recovery tools. Some problems happen because doing root itself will make your phone become trouble for some situations. The super camera tools also can make crash and make the camera not work properly at some versions. Therefore please make sure you are use the factory default version to make your Lenovo S820 functions work properly. You can also try to download any other 3th party camera from Google Play Store to test weather your camera work or not. If still not work, try to do hard reset and test again the camera.

    • after flashing it doesn't turn on. but the computer can still detect it, every i try to flash it again. this always appear Error 4032 (Enable DRAM FAILED)

      thanks for the answer :)
      more powers :)

      • Hi, can you tell us how you flash your Lenovo S820. Basically the factory default upgrade from Lenovo comes from OTA (Over The Air) update for fix some bug at the operating system. Maybe you are talking to flash use 3th prarty custom ROM from other community. Unfortunately the custom ROM upgrade can not fix with standard operation that usually we know. So, you need to try or ask some help from that community if some trouble happen within the steps.

    • Hi, please make sure your power charger work properly. Try to use different Android charger to charge your Lenovo S820. If still not work, then please make sure the battery also still alive or work by test with avo meter or use different battery if available. If the phone still not turning on although you already test it with hardware button key for reset, then maybe your Lenovo S820 get hard bricks. Therefore, you have to bring it to nearest Lenovo service center for further test.

  • I had try to hard reset but its chinese language on hard reset menu !! How can i change it to english? Im using lenovo s820

    • Hi, if you Lenovo S820 recovery menu using Chinese language, then you need to try find menu with text 'eMMC' and choose that menu to finish your hard reset.

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