Tips and tricks for solving HTC DESIRE 820 (DUAL) problems. HTC DESIRE 820 is Octa-Core Qualcomm Snapdragon 615 64 bit  Android smartphone which use double Quad Core processor. This phone has Quad Core 1.5 Ghz and Quad Core 1 Ghz  with 2 GB RAM and 16 GB internal memory. For make faster graphic experience then HTC DESIRE 820 (DUAL) have GPU Adreno 405, it will make playing game HD without problems. For photography lover, having HTC DESIRE 820 (DUAL) will make it more fun because it have 13 MP main camera at back side and for front camera it have 8 MP, good for selfie.

 

What is Advantage of HTC DESIRE 820 (DUAL) Specifications:

GSM 3G HSDPA DUAL SIM GSM GSM
4G LTE
LCD 5.5 inches touch screen
Internal memory 16 GB
RAM 2 GB
External memory 128 GB
Main Camera 13 MP, 4160 x 3120 pixels, autofocus, LED flash
Front camera 8 megapixel for Video conference
Processor Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53
GPU Adreno 305
Operating system Android OS, v4.4.2 (KitKat)
Battery Li-Po 2600 mAh

 

 

How to Fix or Problem Solving for Recovery HTC DESIRE 820 (DUAL) hang or not responding or malfunctions or stuck or freezing or bricked ?

The HTC DESIRE 820 (DUAL) is use Octa Core 64 bit processor from Qualcomm. There are some factory default applications that already installed at this phone, and this phone also have HTC Sense user interface version 6.0, the incredible BlinkFeed and Zoe at HTC own applications. However, like other Android smartphone, the HTC DESIRE 820 (DUAL) also have Google Play Store to download many applications like social media Facebook, Instagram, Twitter and chatting apps like Whatsapp, BBM, Line Messenger, Kakaotalk, WeChat, Skype and many more. There are some not good applications as well at Google Play Store, some of them will make our phone become trouble or getting spam message or advertising, some of applications also may not compatible with our HTC DESIRE 820 (DUAL). If we get this applications, then sometime our HTC DESIRE 820 (DUAL) become hang or stuck or bricks or broken or freeze. Sometime this phone also become boot HTC logo loop or the LCD touch screen is not responding at our HTC DESIRE 820 (DUAL). If this problems happen, then we have to force soft reset or force shutdown or reboot to clean temporary files or cache. If the problems still happen, then we have to do hard reset or master format.

 

How to Force Shutdown or Force Soft Reset or Reboot or Restart HTC DESIRE 820 (DUAL) ?

Because of some applications trouble, our HTC DESIRE 820 (DUAL) can become hang or LCD touch screen not responsive with our finger touch when we run an applications. What should we do? We have to force shutdown or force soft reset or restart to delete any cache or temporary files. Please try to press and hold POWER button until the HTC DESIRE 820 (DUAL) shutdown or turn off by itself. Wait about 5 or 10 seconds, then we can press POWER button again to turn on this phone. This process will try to stop the trouble maker applications and remove some caches and temporary files from internal memory. If our HTC DESIRE 820 (DUAL) still get the same problems, then we have to do hard reset or reformat to factory default. Please do not forget to backup all important data from HTC DESIRE 820 (DUAL), because doing hard reset will clean or wipe any data at Internal memory. Please also remove the microSD external card when doing master format.

 

#Option 1, Hard Reset HTC HTC DESIRE 820 (DUAL) with menu setting:

This is the option that we can do if HTC DESIRE 820 (DUAL) still can access the menu setting, then try to reset HTC DESIRE 820 (DUAL) with this step:

 

  1. Turn on the HTC DESIRE 820 (DUAL)
  2. We suggest to charge the battery full
  3. Make sure you already backup all important data, because it will deleted from HTC DESIRE 820 (DUAL)
  4. Go to Menu Setting > Storage > Factory Data Reset
  5. Choose Reset Phone, continue with Erase Everything
  6. The HTC DESIRE 820 (DUAL) will do the master reset until it finish

 

#Option 2, Hard Reset HTC DESIRE 820 (DUAL) with hardware button key:

In some situations, the LCD of HTC DESIRE 820 (DUAL) is not responding, so nothing happen when we  navigate or touch the HTC DESIRE 820 (DUAL), in this step try to hard reset with hardware key by this step:

  1. Make sure you have fully charge the HTC DESIRE 820 (DUAL) battery
  2. Backup all important data as you can, because all data will be erased
  3. You can do this at any conditions phone On or Off
  4. Press together Power Button + Volume Down together for several second until the white menu appear
  5. Navigate menu with Volume button to go to Factory Reset, to choose or enter press POWER Button
  6. The HTC DESIRE 820 (DUAL) will do the master reset for several minutes, just wait until it finish.

 

How to Restore and Reinstall Clean Android Operating system / firmware at HTC DESIRE 820 (DUAL) (Reformat) ?

Although the HTC DESIRE 820 (DUAL) already release when Android already introduce Lollipop version, but this phone still use Android Kitkat version 4.4.2 for default operating system. When some applications get crash and get trouble, this can make effect to HTC DESIRE 820 (DUAL) operating system, sometime it become damage or corrupt like can not boot normally or get hang or can not run properly. We have to reinstall or reformat or restore factory default operating system at our HTC DESIRE 820 (DUAL). First we have to know, that the clean factory default Android operating system file source already saved safely inside our HTC DESIRE 820 (DUAL) ROM. Just follow the easy steps to hard reset or master format above, then the clean factory default Android operating system will be reinstall or restore automatically.

 

How to Unlock or Fix or Bypass or Solutions for HTC DESIRE 820 (DUAL) forgot password code or security lock screen pattern or pin (lost password)?

After using several moment, we will have many important data or pictures or movies inside our HTC DESIRE 820 (DUAL), therefore we always suggest to give more security protections for our phone. There are several options that we can choose to protect out HTC DESIRE 820 (DUAL) without need to install any additional applications. We usually use screen lock pattern protection because it is more faster and easier to open. Some users also like to use others like password pin protections. The problem happen when we forget the answer of security protection at our HTC DESIRE 820 (DUAL). What should we do? Don’t worry, because Android have simple steps to bypass or unlock forgot security protection. Please try to give several time wrong answer continuously until our HTC DESIRE 820 (DUAL) freeze or locked about 30 seconds. At this time we will find Forgot Password / Pattern button. Please press this button, then our HTC DESIRE 820 (DUAL) LCD screen will show field for our Gmail username and password that we have already signed in before. If we can not access Google account at this phone, then we have to do hard reset or master format using hardware button combination key.

 

 

How to Improve Performance HTC DESIRE 820 (DUAL) to make run more faster?

HTC DESIRE 820 (DUAL) is fast to for daily activity and hard work, like playing movie, chatting, social media, taking and edit pictures and many more, because this phone have Octa Core processor. Basically HTC DESIRE 820 (DUAL) have double Quad Core processor, if the applications only need single quad core, then the other quad core will standby, but if the applications need more core to run, then HTC DESIRE 820 (DUAL) will run with full 8 core together. Why HTC DESIRE 820 (DUAL) become slowly? Usually this problems happen because there are too many applications run in the background and foreground. Some applications also can run not normal and will take all processor resources full. If we find which applications causes this trouble, then we have to uninstall that trouble maker applications. Some applications that we have downloaded from Google Play Store will keep run in the background without any notice to wait some data update or some command. If too many applications, then our HTC DESIRE 820 (DUAL) RAM and processor resources will be insufficient. Although this problem is not always happen, but we have to prepare if this situation comes to our HTC DESIRE 820 (DUAL). For some normal users the specification are good enough to make it run without problems.  Just choose to install only important applications, try to uninstall not use or testing applications. If our phone become slowly and need to make the HTC DESIRE 820 (DUAL) performance become faster again like new, then we have to consider doing hard reset or master format.

 

Is That Any Secret Code for Doing Format HTC DESIRE 820 (DUAL) ?

There is no secret hidden code for HTC DESIRE 820 (DUAL) to make it back to factory default. Do the options above to hard reset it.

 

How to make Longer Life for HTC DESIRE 820 (DUAL) Battery Saving Not Fast to Drain (power safe) ?

What we like from this phone is the big battery capacity, it have 2600 mAh. For all Android users, have to know the most battery drain consumption is LCD screen. Basically the auto brightness of HTC DESIRE 820 (DUAL) is good enough to automatically setup the brightness level, but if we always use our phone at bright sunlight, then the brightness will force to full and will consume more battery power, we can turn off the auto brightness and set as low as we like. Please turn off some not use connections like Bluetooth or GPS or Wifi to safe more power.

 

How to Upgrade HTC DESIRE 820 (DUAL) to Android Lollipop ver.5 ?

At the first time release in the market, HTC DESIRE 820 (DUAL) install using Android Kitkat version 4.4.2. Until we make this information, the HTC DESIRE 820 (DUAL) still not get official Android Lollipop. We have to wait until HTC release for HTC DESIRE 820 (DUAL). Please try to check the firmware update information from menu Setting > About phone > Software update. Some other community may have custom ROM for Android Lollipop, but please be careful to install custom ROM, because some wrong steps can make our HTC DESIRE 820 (DUAL) become corrupt and can not use normally again.

 

Latest hard-reset.org Discussions & Share Information:

[Q] HTC desire 820G+ dual sim won't reset (soft brick). displays logo and "no command"
[A] Hi, please try to do hard reset your phone with hardware button combination key like steps at #option 2 above. Your HTC Desire 820 will reformat the operating system to factory default.
 

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