Desire 820Q Dual sim - Téléphone intelligent HTC - Free user manual and instructions
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| Product Type | Smartphone |
| Brand | HTC |
| Model | Desire 820Q Dual SIM |
| Operating System | Android 4.4.2 KitKat with HTC Sense |
| Display | 5.5-inch HD (1280 x 720) LCD |
| Processor | Qualcomm Snapdragon 400 Quad-core 1.2 GHz |
| RAM | 1.5 GB |
| Internal Storage | 8 GB (expandable via microSD up to 128 GB) |
| Rear Camera | 8 MP with LED flash, f/2.2 |
| Front Camera | 8 MP, f/2.2 wide-angle |
| Battery | 2600 mAh removable |
| Dimensions | 157.7 x 78.7 x 7.9 mm |
| Weight | 155 g |
| SIM Type | Dual SIM (Micro-SIM) |
| Network | 4G LTE / 3G / 2G |
| Connectivity | Wi-Fi 802.11 b/g/n, Bluetooth 4.0, GPS, microUSB 2.0 |
| Cleaning | Use a soft, lint-free cloth slightly dampened with water; avoid solvents |
| Safety | Do not disassemble, use only approved chargers, avoid exposure to extreme temperatures |
| Spare Parts & Repairability | Battery, screen, back cover available via HTC service centers; repairability score: moderate |
Frequently Asked Questions - Desire 820Q Dual sim HTC
How do I insert the SIM cards?
Turn off the device, remove the back cover and battery. Insert the SIM cards into the slots with the gold contacts facing down. Replace the battery and back cover.
How can I expand storage?
Insert a microSD card into the slot next to the SIM 2 slot. The device supports cards up to 128 GB. Format the card if not recognized.
How do I perform a factory reset?
Go to Settings > Backup & reset > Factory data reset. Alternatively, with the device off, press and hold Volume Down and Power buttons until recovery menu appears, then select wipe data/factory reset.
How do I take a screenshot?
Press and hold the Power button and Volume Down key simultaneously for about 2-3 seconds. The screen will flash and the screenshot will be saved in the Gallery.
Why is my battery draining quickly?
Check for apps running in background, reduce screen brightness, disable GPS/Bluetooth when not needed, or consider replacing the battery if it is old.
Can I use LTE on both SIM cards?
Yes, but only one SIM can be connected to 4G/3G at a time. The other will use 2G. You can switch which SIM uses 4G in the SIM card settings.
How do I update the software?
Go to Settings > About phone > Software updates. The device will check for updates. Download and install only on Wi-Fi and with sufficient battery.
What type of charger does this phone use?
It uses a standard microUSB charger. For optimal charging, use the supplied HTC charger (5V, 1A). Third-party chargers may not charge properly.
How do I clean the touchscreen?
Turn off the device. Use a soft, lint-free cloth slightly dampened with water (not wet). Gently wipe the screen. Do not use glass cleaners or abrasive materials.
Is the battery removable?
Yes, the battery is removable. To remove, turn off the device, take off the back cover, and lift the battery out from the notch at the bottom.
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