Advance 4.0 L - Smartphone BLU - Free user manual and instructions
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| Product Type | Smartphone |
| Brand | BLU |
| Model | Advance 4.0 L |
| Display Size | 4.0 inches |
| Dimensions | 124 x 64 x 10 mm |
| Weight | 120 g |
| Operating System | Android |
| Processor | Quad-core 1.3 GHz |
| RAM | 512 MB |
| Internal Storage | 4 GB |
| Battery | Removable Li-Ion 1500 mAh |
| Rear Camera | 5 MP |
| Front Camera | 2 MP |
| Connectivity | 3G, Wi-Fi 802.11 b/g/n, Bluetooth 4.0, GPS |
| Ports | microUSB 2.0, 3.5 mm headphone jack |
| Sensors | Accelerometer, Proximity |
| SIM Card | Dual SIM (Mini-SIM) |
| Power Supply | 5V 1A charger via microUSB |
| Care and Cleaning | Wipe with a soft dry cloth; avoid liquids |
| Safety | Do not disassemble; use only approved chargers |
| Spare Parts | Battery, screen, charger available online |
| General Information | User manual available in PDF format |
Frequently Asked Questions - Advance 4.0 L BLU
How to perform a factory reset on BLU Advance 4.0 L?
Go to Settings > Backup & reset > Factory data reset. Confirm the action. All data will be erased.
What type of SIM card does the BLU Advance 4.0 L use?
It uses a Mini-SIM (standard SIM). The device supports dual SIM functionality.
How to extend battery life on BLU Advance 4.0 L?
Reduce screen brightness, disable unused connections like Wi-Fi and Bluetooth, close background apps, and use Battery Saver mode in settings.
Can the battery be removed and replaced?
Yes, the battery is removable. You can replace it by removing the back cover and lifting the battery out.
How to insert a memory card?
Turn off the device, remove the back cover and battery. Insert a microSD card into the dedicated slot up to 32GB. Replace battery and cover.
What Android version does the BLU Advance 4.0 L run?
It originally runs Android 5.1 Lollipop. No official updates are available.
How to take a screenshot?
Press and hold the Power and Volume Down buttons simultaneously for 2 seconds. The screenshot will be saved in the Gallery.
Why is my BLU Advance 4.0 L not charging?
Check the charger and cable for damage, clean the charging port, try a different outlet, or replace the battery if it is old. Ensure the charger output is 5V 1A.
How to connect to Wi-Fi?
Go to Settings > Wi-Fi, turn it on, select your network, and enter the password. The device supports 802.11 b/g/n.
What to do if the screen is cracked?
You can replace the screen assembly. Purchase a compatible replacement, turn off the device, remove the back cover and battery, carefully detach the old screen, and install the new one. Alternatively, seek professional repair.
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