Question 1

What is the battery capacity of the HTC Desire 820 dual sim?

Accepted Answer

The HTC Desire 820 dual sim has a 2,600 mAh battery.

Question 2

What is the processor of the HTC Desire 820 dual sim?

Accepted Answer

The HTC Desire 820 dual sim is powered by a 1.5 GHz Octa-Core Qualcomm Snapdragon 615 processor.

Question 3

What is the display size of the HTC Desire 820 dual sim?

Accepted Answer

The HTC Desire 820 dual sim has a 5.5-inch HD display.

Question 4

How to reset or factory restore HTC Desire 820 dual sim device?

Accepted Answer

Resetting a HTC Desire 820 dual sim device to its factory settings can sometimes help solve problems with the device or restore it to its original state. Here are the most common and recommended ways to reset or factory restore the HTC Desire 820 dual sim device:

Method 1: Using the Volume Up and Down buttons

1. Switch off the HTC Desire 820 dual sim device.
2. Press and hold the Volume Up button and the Power button at the same time.
3. Keep holding the buttons until the HTC logo appears on the screen.
4. Using the Volume Down button, scroll to the "Wipe data/factory reset" option.
5. Press and hold the Power button until the "Yes – delete all data on the phone" option appears.
6. Using the Volume Down button, scroll to highlight "Yes" and press the Power button to select it.
7. Slide to the next section "Delete all user data".
8. Scroll to "Yes – delete all user data" using the Volume Down button and press the Power button to select it.
9. Wait for the phone to reboot, which may take a few minutes.
10. Once the phone has booted up, you will be prompted to set up the device from scratch, so follow the on-screen instructions.

Method 2: Using the HTC Sense interface

1. Open the HTC Sense interface on your HTC Desire 820 dual sim device.
2. Go to Settings > About phone.
3. Scroll to the bottom of the screen and tap on "Backup and reset".
4. Tap on "Factory data reset".
5. Confirm that you want to delete all data on your phone by tapping on "Delete all user data".
6. Wait for the phone to reboot, which may take a few minutes.
7. Once the phone has booted up, you will be prompted to set up the device from scratch, so follow the on-screen instructions.

Method 3: Using the HTC Sense interface and a USB cable

1. Connect your HTC Desire 820 dual sim device to your computer using a USB cable.
2. Open the HTC Sense desktop application on your computer.
3. Click on the "Device" tab on the left-hand side of the screen.
4. Click on the "Backup" button.
5. Select "Full Backup" and wait for it to complete.
6. Once the backup is complete, click on the "Erase Phone of All Data" option.
7. Wait for the phone to reboot, which may take a few minutes.
8. Once the phone has booted up, connect to your duel sim network and follow the prompts to set up the device from scratch.
9. Once the setup is complete, you can restore your backup from your computer.

It is important to note that before factory resetting the device, it is advisable to make a backup of all important data should prevent losing your data during factory reset.

Technology	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands	HSDPA 850 / 900 / 1900 / 2100 - EMEA, Asia
TD-SCDMA
4G bands	1, 3, 7, 8, 38, 39, 40, 41 - Asia, India
Speed	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps

Announced	2014, September. Released 2014, November
Status	Discontinued

Dimensions	157.7 x 78.7 x 7.7 mm (6.21 x 3.10 x 0.30 in)
Weight	155 g (5.47 oz)
SIM	Dual SIM (Nano-SIM, dual stand-by)

Type	LCD
Size	5.5 inches, 83.4 cm2 (~67.2% screen-to-body ratio)
Resolution	720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Protection	Corning Gorilla Glass 3

OS	Android 4.4.2 (KitKat), Sense UI 6
Chipset	Qualcomm MSM8939 Snapdragon 615 (28 nm)
CPU	Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU	Adreno 405

HTC Desire 820 dual sim