VIBE S1a40 - Smartphone LENOVO - Free user manual and instructions
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| Product Type | Smartphone |
| Brand & Model | Lenovo VIBE S1a40 |
| Dimensions (H x W x D) | 143.4 x 71.8 x 8.7 mm |
| Weight | 142 g |
| Display | 5.0 inch IPS LCD, 720 x 1280 pixels |
| Processor | Qualcomm Snapdragon 615 (octa-core) |
| RAM | 2 GB |
| Internal Storage | 16 GB (expandable via microSD) |
| Battery | Li-Po 2500 mAh, non-removable |
| Operating System | Android 5.1.1 Lollipop |
| Camera (Rear) | 13 MP, f/2.2, autofocus, LED flash |
| Camera (Front) | 8 MP, f/2.2 |
| Connectivity | Wi-Fi 802.11 b/g/n, Bluetooth 4.0, GPS, microUSB 2.0 |
| SIM | Dual SIM (Micro-SIM, dual standby) |
| Sensors | Accelerometer, proximity, compass |
| Power Input | 5V 1A (via microUSB) |
| Main Functions | Phone, messaging, internet browsing, multimedia playback, GPS navigation, camera, etc. |
| Care & Cleaning | Wipe with a dry cloth; avoid liquids and abrasives. |
| Safety | Do not expose to extreme temperatures or moisture. Use only approved chargers. |
| Spare Parts & Repairability | Battery and screen not user-replaceable; service by authorized centers recommended. |
| General Information | Manufacturer: Lenovo; Model: VIBE S1a40; Release year: 2015 |
Frequently Asked Questions - VIBE S1a40 LENOVO
How do I extend battery life on my Lenovo VIBE S1a40?
Reduce screen brightness, disable unused connectivity (Wi-Fi, Bluetooth), close background apps, and enable power saving mode in Settings.
Why is my screen not responding to touch?
Ensure the screen is clean and dry. Remove any screen protector. If unresponsive, restart the phone by holding the power button for 10 seconds. If persists, perform a factory reset (backup data first).
Can I charge the phone with a fast charger?
The Lenovo VIBE S1a40 supports standard 5V 1A charging. Using a higher wattage charger may not improve speed and could damage the battery. Use the original charger for best results.
How do I expand storage?
Insert a microSD card into the slot (up to 32 GB). Go to Settings > Storage to set it as internal or portable storage. Note: Apps may not be movable to SD card on Android 5.1.
Will I get Android updates?
The device shipped with Android 5.1.1 Lollipop. Further official updates are unlikely. You can check for updates in Settings > About phone > System updates.
Is the phone water resistant?
No, the Lenovo VIBE S1a40 does not have any IP rating for water or dust resistance. Keep it away from moisture.
How to insert SIM cards?
Use the SIM eject tool to open the tray on the side. Insert Micro-SIM cards in the correct orientation. The phone supports dual SIM with dual standby.
Camera not focusing properly?
Clean the lens with a soft cloth. Tap on the subject on the screen to refocus. If issue persists, close the camera app and reopen or restart the phone.
How to troubleshoot app crashes?
Go to Settings > Apps, select the app, and tap Clear cache or Clear data. If still crashing, uninstall and reinstall from the Play Store.
What is the warranty period?
Typically 12 months from purchase date. Check your regional warranty policy. Retain proof of purchase for service claims.
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USER MANUAL VIBE S1a40 LENOVO
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Product information
Brand : LENOVO
Model : VIBE S1a40
Category : Smartphone