Advance 4.0 L2 - Smartphone BLU - Free user manual and instructions
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| Product type | Smartphone |
| Brand | BLU |
| Model | Advance 4.0 L2 |
| Display | 4.0-inch TFT LCD with WVGA (480 x 800) resolution |
| Dimensions | 124 x 64 x 10.5 mm |
| Weight | 110 g |
| Battery capacity | 1400 mAh removable Li-Ion battery |
| Operating system | Android 4.4.2 KitKat |
| Processor | 1.3 GHz dual-core processor |
| RAM | 512 MB |
| Internal storage | 4 GB, expandable up to 32 GB via microSD |
| Rear camera | 5 MP with autofocus and LED flash |
| Front camera | VGA (0.3 MP) for selfies and video calls |
| Connectivity | Dual SIM, 3G, Wi-Fi 802.11 b/g/n, Bluetooth 4.0, GPS |
| Special features | Dual SIM standby, FM radio, proximity and accelerometer sensors |
| Maintenance and cleaning | Wipe with a soft, dry cloth; keep away from water and extreme temperatures |
| Security | Set up a lock screen PIN, pattern or password; enable encryption if available |
| Repairability | Removable battery and access to SIM/microSD slots; screen replacement requires professional service |
Frequently Asked Questions - Advance 4.0 L2 BLU
How do I insert the SIM and microSD cards?
Power off the phone. Open the back cover and remove the battery. Insert the SIM cards and microSD card into their designated slots. Replace the battery and back cover, then power on the device.
How long does the battery last?
The 1400 mAh battery provides approximately 10 hours of talk time and up to 300 hours of standby time under normal usage. To maximize battery life, reduce screen brightness and close background apps.
Can I expand the storage?
Yes, the BLU Advance 4.0 L2 supports microSD cards up to 32 GB. Insert a microSD card in the dedicated slot to expand storage for photos, videos, and apps.
How do I take a screenshot?
Press and hold the Power and Volume Down buttons simultaneously for about 2 seconds. The screenshot will be saved in the Gallery or Photos app.
Why is my phone slow?
The phone has 512 MB RAM and a dual-core processor, so heavy apps may cause lag. Try closing background apps, clearing cache, and freeing internal storage. A factory reset might help if the issue persists.
How do I perform a factory reset?
Go to Settings > Backup & reset > Factory data reset. Alternatively, boot into recovery mode by pressing Power + Volume Up and select wipe data/factory reset.
Does it support 4G LTE?
No, the BLU Advance 4.0 L2 only supports 3G, Wi-Fi, and Bluetooth. It does not have 4G LTE connectivity.
How do I update the Android version?
Check for updates in Settings > About phone > System updates. If an update is available, download and install it. Note that the device is unlikely to receive official updates beyond Android 4.4.
What should I do if the touchscreen becomes unresponsive?
First, restart the phone. If the issue persists, remove the battery and reinsert it after 30 seconds. Check for screen protectors or dirt. If still unresponsive, contact a repair center.
Is the battery removable?
Yes, the BLU Advance 4.0 L2 features a removable 1400 mAh battery. To replace it, power off the phone, remove the back cover, and gently pull out the battery.
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USER MANUAL Advance 4.0 L2 BLU
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Product information
Brand : BLU
Model : Advance 4.0 L2
Category : Smartphone