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 toHard 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 UPabout several second, that the warning will appear at the LENOVO S820
  4. Choose:Reset DeviceorWipe dataorClear 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.

165 thoughts on “How to Easily Master Format LENOVO S820 with Safety Hard Reset?”

  1. how to downgrade lenovo s820?
    I upgrade my s820 to vibe ui 2.0.after upgrade my play store is down.if u guys have a solution without to do downgrade that will be helpful.but if u don’t just tell me how to downgrade it..thanks.

    Reply
    • Hi, if you follow standard procedure to update with official upgrade, then please try to do hard reset to restore back all applications back to factory default, mostly this problems can solved.

      Reply
    • Hi, please try to do hard reset using hardware button combination key, follow steps carefully. This steps will work for standard non root Lenovo S820 operating system. If you use different Custom ROM, then this steps will not always work.

      Reply
  2. Hi, my s820 lost it’s sim 1 signal oftenly. The signal reached full bar and then suddenly lost totally. It repeated everytime. The sim 2 is OK.
    Please help me to fix it.

    Many thanks.

    Regards,

    Eky

    Reply
    • Hi, please try to use different GSM simcard to make sure this problem not comes from your GSM card. If this problem still happen, then we suggest you to do hard reset to reformat your Lenovo S820 to factory default.

      Reply
    • Hi, please try to hard reset using hardware button combination key for reformat or reinstall factory default Android operating system at your Lenovo S820.

      Reply
    • Hi, please give use more information about color changes. However, you can install or change your Lenovo S820 themes using setting menu or by install some 3th party applications from Google Play Store.

      Reply
    • Ho, please try to go Setting > Language, and change your Lenovo S820 menu to English. If you can not read the character because it already use non Latin text, then you can find Setting icon, then go to A or Language or Word icon then choose English.

      Reply
  3. Hi..yesterday i updated the system of my lenovo s820 .. after the system updating my phone restarted and when it opens the sentence “unfortunately,the google play services has stoppes”. Not only the google play but also other apps…it keeps on appearing on my screen again and again that i cannot already use the normal function anymore….what should i do?

    Reply
    • Hi, some applications or setting may not work after we update our Lenovo S820 firmware, therefore we suggest to do hard reset or reformat your phone after finish update firmware. But you have to backup all important data first because reformat will remove all important data and installed applications.

      Reply
  4. My lenovo s820 after update 4.4.2, I am facing lot of issues with my mobile even I couldn’t connect 3g mode. Is there any option to flash it and use the old version.. Please any one advice..

    Reply
    • Hi, if you already do upgrade your Lenovo S820 firmware using OTA (over the air), then Lenovo does not have simple OTA steps to downgrade, unless you do some tweak or root or install custom ROM. However, after doing upgrade operating system of Lenovo S820, but you get trouble, then we suggest to backup all data and do hard reset, because sometime some apps not compatible with new operating system version.

      Reply
  5. hii
    now this time in my phone is KitKat version but i want to install a jellybean in my phone how can do this???

    Reply
    • Hi, unfortunately you can not downgrade you Lenovo S820 operating system to Jelly Bean using OTA steps, you need to do custom tweak by root or install custom rom, but this steps is not recommended to all users, because some wrong steps can make your Lenovo S820 become trouble.

      Reply
  6. I HV lenovo s820 8 GB phone. My phone’s screen background colour has changed from normal white to pinkish purple, flickering also occurs at times… What could be the cause n ur advise if any….

    Reply
    • Hi, this problem can be happen because your hardware of LCD get trouble. But you can try to do hard reset first to make sure if this problems fix after your Lenovo S820 operating system or firmware already formatted or reinstalled.

      Reply
  7. Hi, i got problems with my lenovo S820 since i bought it. I can’t understand how the sdcard working. In a week i have to format my phone about two times because it said that my external storage was damaged. I lost all my data and downloaded applications and it really freaks me out. And one more, i can’t download application from PlayStore because it said that mt sdcard doesn’t have enough spaces eventhough my sdcard have more than half spaces. Please help me sir, i really want to throw out this phone.

    Reply
    • Hi, first you have to know that mostly applications at Google Play Store does not need external storage for download applications, expect for big data games applications. However, about your data at microSD card Lenovo S820 which always corrupt, then you need to make sure that microSD card hardware still work properly, because we also ever get this kind of trouble, but after change with new branded microSD card, then it work normally more then years.

      Reply
  8. Hi! Whenever I open my camera it takes about 5or more secs to totally open and the screen turns gray first.when I take a picture it doesn’t show in the gallery and the folders in my gallery shows gray pictures too.

    Reply
    • Hi, maybe you have installed too many applications, so your Lenovo S820 system resource get hard to work. So please try to uninstall some of them. If you want to make your camera work perfectly again, please do hard reset or reformat your Lenovo S820 but do not forget to backup all important data first.

      Reply
    • Hi, if something strange happen after doing upgrade at your Lenovo S820 to Kitkat firmware, then better you do hard reset or reformat to reformat to new fresh upgraded firmware. Because sometime previous version apps or setting is not fit new firmware.

      Reply
  9. hi..start/power button of my Lenovos820 is missing from my hand set. I went to service centre 2-3 times but no use..I can’t get it in market shop also…is there any way to start the phone ? please help… right now I”m using card to press and start my hand set. one more question…whether to download from Lenovo launcher every time when I get notificatipn or not always needed…

    Reply
    • Hi, as far as we know you need to use that power button to start or power on your Lenovo S820 phone. Your nearest authorized Lenovo service server should repair your power button hardware to make it work. Otherwise, you ask other professional work to repair your Lenovo S820 power button.

      Reply
  10. hi

    i lost all my pics from photlocker my got upgrade pop up and i did wit the help of wifi i had reinstall all the apps and i fogot my user name and everything is gone …plz help me

    Reply
    • Hi, usually if we just upgrade firmware of applications, it will not remove any important files, unless you do hard reset or master format.

      Reply
  11. Hi

    I have S820. It started showing error “lenovo launcher stopped working”.Hard reset did not work. i took it to lenovo service centre but they also could not resolve it. What can be the solution?

    Reply
    • Hi, it seems that you have done any possibility to hard reset and bring your phone to service center, but because hardware trouble than it can not fix unless you replace the main board of you Lenobo S820.

      Reply
  12. Hello there, i’ve lenovo S820 dual sim with baseband ROW S221. My problem is my 1st sim-card slot or 2nd keep disconnect with sign (X) when/after hit cellular data for mobile internet connection. i’ve tried some solution with update my firmware through OTA(same prob) re-update through manual with smart phone flash tool(same prob too) and lastly downgrade. but still the problems still occur. mean time i’ve also try checking the sim-card either it’s problem or not with other smart phone with 3g/4g/lte, its cool, nothing problem with sim-card but only my S820. Any suggestion advise what i should n could do with this problem to be solved?. THX in advance

    Reply
    • Hi, you have done all important steps to make sure which trouble maker at your Lenovo S820, but base at your information, we think that your hardware get trouble and need to get further check at Lenovo authorize service center.

      Reply
    • Hi, you can try to download alternative play store, because your Lenovo S820 ROM is not allow to use Google Play Store. Please try to use Amazon Appstore or SlideME. You need to download the correct APK files to install at your Lenovo S820. You can go to : http://slideme.org/

      Reply
  13. My lenovo S820 is always crashing then restarting. When I open it after a few minutes it will crash again then it will repeat the start of lenovo and doesn’t open anymore until i pull out the battery

    Reply
    • Hi, at this conditions, we suggest you to do hard reset or reformat Lenovo S820 operating system to factory default. It will remove all applications which make some trouble or fix corrupted file at system.

      Reply
  14. hi, my lenovo having a problem cannot open the contact. it shows unfortunately contact manager has stopped. i already reset my phone but this problem still occur. please help me. thank you

    Reply
    • Hi, first you can try to download contact applications from Google Play Store, find free and have good rating one. Usually if the problems comes from default contact apps,then you still can open Lenovo S820 contact using this 3th party applications. If still can not work, then we suggest you do hard reset or master format, please follow steps at #option 1 above, because your Lenovo S820 still can boot normally.

      Reply
  15. I am not able to configure H2O wireless sim in to Lenovo S820 Mobile, can anybody help me to come out from this problem. I just moved to USA from India. I was using this mobile in India. I did formatting sill same proble,

    Thanks
    Rajesh

    Reply
    • Hi, as far as your Lenovo S820 is unlocked then you may use other provider. However, you can try to make sure at H2O customer care to check the problems.

      Reply
  16. sir,
    my cell phone model lenovo s820 display damage i was change that display after that cell phone camera getting blurry what i do sir

    Reply
    • Hi, maybe the back case cover make blur your Lenovo S820. Please ask Lenovo service center to make sure the back cover case for camera lens is not dirty.

      Reply
  17. My Lenovo A520 When Power After Boot Lenovo Keeps Showing On The Screem After A While Lock Screem Will Appear If I Unlock It Menu Will Not Show Pls Help Me

    Reply
    • Hi, maybe you should try to disable all screen lock features from setting menu. Otherwise, please do hard reset to reformat your Lenovo A520 operating system to factory default.

      Reply
  18. Hello, I’ve done factory format on my lenovo s820, but when I boots up my phone it shows unfortunatly com.android.setting has stopped. & I can’t use my phone as the massage keep appearing. What should I do now…can u please help me!!

    Reply
    • Hi, maybe you should try to reformat one more time. After finish reformat, please do not login with any previous Google account, because sometime your Lenovo S820 will be restore with old backup, and when you have bad experience with previous backup, then the problems will be restore as well. Just try to create new Google account to test download some famous applications from Google Play Store.

      Reply
    • 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.

      Reply
  19. 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.

    Reply
    • 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.

      Reply

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