| Secret codes BQ Mobile BQS-5520 Mercury | 
| Root BQ Mobile BQS-5520 Mercury | 
| Unlock BQ Mobile BQS-5520 Mercury | 
| Firmware BQ Mobile BQS-5520 Mercury | 
| Developer Mode BQ Mobile BQS-5520 Mercury | 
| Bypass Lock Screen BQ Mobile BQS-5520 Mercury | 
| Remove a Google account BQ Mobile BQS-5520 Mercury | 
| BQ Mobile BQS-5520 Mercury Factory Reset | 
| Screenshot BQ Mobile BQS-5520 Mercury | 
 
| OS: Android 6.0 CPU: MediaTek MT6737, 1300 MHz RAM: 2 GB Display: 5.5" Battery: 3650 mAв‹…h | 
| Hardware and OS BQ Mobile BQS-5520 Mercury | |
| Operating system: | Android 6.0 | 
| Processor: | MediaTek MT6737, 1300 MHz | 
| Processor cores number: | 4 | 
| RAM: | 2 GB | 
| Internal Storage: | 16 GB | 
| Memory Card Slot: | yes, volume of up to 128 GB | 
| GPU: | Mali-T720 MP2 | 
| Display BQ Mobile BQS-5520 Mercury | |
| Type: | colored IPS, sensor | 
| Size: | 5.5" | 
| Resolution: | 1280x720 | 
| Touchscreen: | multitouch, capacitive | 
| Connectivity BQ Mobile BQS-5520 Mercury | |
| Standard: | GSM 900/1800/1900, 3G, 4G LTE, LTE-A Cat. 4 | 
| Interfaces: | Wi-Fi 802.11n, Bluetooth 4.1, USB | 
| LTE range support: | FDD: 2100, 1800, 2600, 800 MHz | 
| Multi SIM mode: | alternate | 
| SIM-card amount: | 2 | 
| Camera BQ Mobile BQS-5520 Mercury | |
| Camera: | 13 megapixels | 
| Front camera: | 8 megapixels | 
| Camera functions: | autofocus | 
| Video Recording: | yes | 
| Multimedia BQ Mobile BQS-5520 Mercury | |
| Audio: | MP3 | 
| Headphone jack: | 3.5 mm | 
| Design BQ Mobile BQS-5520 Mercury | |
| Case type: | classic | 
| Height: | 154 mm | 
| Width: | 78 mm | 
| Thickness: | 9 mm | 
| Weight: | 155 grams | 
| Battery BQ Mobile BQS-5520 Mercury | |
| Capacity: | 3650 mA⋅h | 
| Other BQ Mobile BQS-5520 Mercury | |
| Sensors: | fingerprint scanner | 
| Flashlight: | yes | 
|  | KcxBywy | March 20, 2024 | 
| A feature phone with Android 6.0, 2 GB RAM, 16 GB storage, 13 MP camera, fingerprint scanner, and dual SIM support. | ||
| Reply | ||
|  | Mumewl@ | May 11, 2024 | 
| Limited features, outdated operating system, slow processor, small internal storage. | ||
| Reply | ||
|  | Hycescm | May 08, 2024 | 
| Great phone, fast and reliable. | ||
| Reply | ||