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Proton B4

Proton Released 10 Apr 2024 Feature phone

Price in Bangladesh

Official ৳1,044 Available · brand warranty

Variant

Prices checked 23 February 2026. Official or unofficial: which to buy?

Key specifications

Display
1.77″ QVGA
Rear camera
0.3MP Single
Battery
1,000mAh
Network
2G
OS
Feature phone OS

Proton B4 overview

The Proton B4 is a feature phone from Proton, released in April 2024. It comes with a 1.77-inch QVGA display. For photography there is a 0.3MP rear camera. A 1,000mAh battery powers the phone. The official price of the Proton B4 in Bangladesh starts at ৳1,044.

What's good

  • FM radio built in
  • Very affordable

What's not

  • No 4G internet
  • Not a smartphone (no app store)

Proton B4 full specifications

Launch

Brand Proton
Model B4
Device Type Feature phone
Release Date 10 April 2024
Status Available

Platform

Operating System Feature Phone

Display

Display Type QVGA
Screen Size 1.77 inches (4.5 cm)
Resolution 128x160 px

Rear Camera

Camera Setup Single
Resolution 0.3 MP Primary Camera

Body & Design

Colors skey blue, green, Black

Battery

Battery type Li-Ion (Lithium Ion)
Capacity 1000 mAh
Placement Removable

Memory

Expandable Memory Up to 16 GB

Connectivity

Network 2G
SIM Slot Dual SIM, GSM+GSM
SIM Size SIM1: Mini, SIM2: Mini
EDGE Available
GPRS Available
Bluetooth v2.0
USB microUSB 2.0

Audio & Media

FM Radio Yes
Loudspeaker Yes
Audio Jack 3.5 mm
Video MP3, MP4 , 3GP

More

Made By Bangladesh

Specifications may differ by region or variant. Spotted a mistake? Let us know.

Frequently asked questions

What is the price of Proton B4 in Bangladesh?

The official price of Proton B4 in Bangladesh starts at ৳1,044.

How big is the battery of Proton B4?

Proton B4 has a 1000mAh battery.

When was Proton B4 released?

Proton B4 was released in April 2024.

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