G155 - Smartphone DEXP - Free user manual and instructions

Product Type	Smartphone
Brand	DEXP
Model	G155
Dimensions (H x W x D)	145 mm x 72 mm x 9 mm
Weight	150 g
Display Size	5.0 inches
Display Resolution	480 x 854 pixels
Processor	Quad-core 1.3 GHz
RAM	1 GB
Internal Storage	8 GB
Expandable Storage	microSD up to 32 GB
Battery Capacity	2000 mAh
Operating System	Android 8.1 Go Edition
Rear Camera	5 MP
Front Camera	2 MP
SIM Slot	Dual SIM (Micro-SIM)
Connectivity	Wi-Fi 802.11 b/g/n, Bluetooth 4.0, GPS, microUSB 2.0
Audio Jack	3.5 mm
FM Radio	Yes
Sensors	Accelerometer, Proximity
Security	Pattern, PIN, Password
Battery Type	Removable Li-Ion

Frequently Asked Questions - G155 DEXP

How do I insert the SIM card and microSD card?

Turn off the device and remove the back cover. Remove the battery if present. Insert the micro-SIM cards into the SIM slots (slot 1 and slot 2) and the microSD card into the dedicated slot. Replace the battery and back cover, then power on.

How can I take a screenshot on the G155?

Press and hold the Power button and Volume Down button simultaneously for a few seconds until you hear a shutter sound or see a flash. The screenshot will be saved in the Gallery app.

How do I save battery life?

Reduce screen brightness, turn off Wi-Fi, Bluetooth, and GPS when not in use. Enable Battery Saver mode in Settings > Battery. Close background apps and disable live wallpapers.

How do I update the software?

Go to Settings > About phone > System updates. If an update is available, follow the on-screen instructions to download and install it. Ensure the battery is charged above 50% and connected to Wi-Fi.

How can I transfer contacts from an old phone?

Save contacts to a SIM card on the old phone, then insert the SIM into the G155 and import them from Contacts app. Alternatively, use Google Account sync or Bluetooth to transfer contacts as vCard files.

How do I reset the phone to factory settings?

Back up your data first. Go to Settings > Backup & reset > Factory data reset. Tap Reset phone and confirm. The phone will reboot and erase all user data.

How do I set up Wi-Fi?

Go to Settings > Wi-Fi. Turn on Wi-Fi and select your network from the list. Enter the password if required and tap Connect.

Can I use two SIM cards at the same time?

Yes, the DEXP G155 supports dual SIM standby. You can insert two micro-SIM cards and assign one for calls and another for data, or use both for calls simultaneously with one active.

How do I expand internal storage?

Insert a microSD card (up to 32 GB) into the dedicated slot. Go to Settings > Storage > select the SD card, then choose Format as internal or use it as portable storage.

How should I clean the smartphone?

Turn off the device and unplug any cables. Use a soft, lint-free cloth slightly dampened with water or a screen cleaner. Avoid harsh chemicals and abrasive materials. Do not spray liquid directly onto the device.

USER MANUAL G155 DEXP

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

G155

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

Close-up of a black smartphone back panel with a circular lens and a small illuminated button (no text or symbols visible)