GS155 - Smartphone DEXP - Free user manual and instructions

Product Type	Smartphone
Brand	DEXP
Model	GS155
Display Size	5.5 inches
Resolution	854 x 480 pixels
Processor	Quad-core 1.3 GHz
RAM	1 GB
Internal Storage	8 GB
Expandable Storage	microSD up to 32 GB
SIM Card	Dual SIM (micro-SIM)
Battery Capacity	2000 mAh
Operating System	Android 8.1 Go Edition
Dimensions	147 x 73 x 9.5 mm
Weight	155 g
Rear Camera	5 MP
Front Camera	2 MP
Connectivity	Wi-Fi 802.11 b/g/n, Bluetooth 4.0, GPS
Ports	microUSB 2.0, 3.5 mm audio jack
Cleaning	Wipe with a soft, dry cloth. Do not use solvents.
Safety	Avoid exposure to moisture and extreme temperatures. Use only approved chargers.
Spare Parts and Repairability	Battery is removable. Other parts require professional service.

Frequently Asked Questions - GS155 DEXP

How do I insert the SIM cards?

Turn off the device. Locate the SIM slots under the back cover. Insert the micro-SIM cards into the slots with the gold contacts facing down. Replace the cover.

How can I expand the storage?

The device supports microSD cards up to 32 GB. Insert the card into the dedicated slot under the back cover.

How do I take a screenshot?

Press and hold the Power button and Volume Down button simultaneously until the screen flashes.

Why is my battery draining quickly?

Check for apps running in background, reduce screen brightness, disable Wi-Fi or Bluetooth when not in use, and enable Battery Saver mode in Settings.

How do I reset the device to factory settings?

Go to Settings > System > Reset options > Erase all data (factory reset). This will delete all personal data, so back up first.

Can I use the phone while charging?

Yes, but it may slow down charging and cause the device to heat up. For optimal battery health, avoid heavy usage while charging.

How do I update the software?

Go to Settings > System > System update. Tap Check for updates. If available, download and install over Wi-Fi.

The touchscreen is not responding. What should I do?

Clean the screen with a soft cloth. If unresponsive, perform a forced restart: press and hold the Power button for 10 seconds until the device vibrates and reboots.

How do I transfer files from my computer?

Connect the phone to your computer via USB cable. On the phone, select File Transfer mode. Your computer will detect it as a removable drive. Drag and drop files.

Is the battery removable?

Yes, the battery is removable. To replace it, turn off the device, remove the back cover, and lift the battery out. Insert a new one and replace the cover.

USER MANUAL GS155 DEXP

Abstract geometric logo design with stylized arrow-like shapes (no text or symbols)

GS155

Smartphone displaying a starry night sky with glowing blue nebulae against a dark blue background (no text or symbols visible)

Illustration of a smartphone displaying a hand icon with Wi-Fi signal waves and a download arrow (no text or symbols)

Line drawing of a smartphone with a hand cursor clicking a circular button (no text or symbols)

Illustration of a smartphone with multiple finger icons and a right-pointing arrow, no text or symbols present.

Diagram of a smartphone with a hand gesture icon and directional arrows indicating finger movement (no text or symbols)

Abstract geometric logo design with interlocking shapes (no text or symbols)

Blue smartphone back with a camera lens on the left side (no text or symbols visible)