---
product_id: 573658317
title: "Cingular Flex 2, 4G LTE, Unlocked Flip Phone, ATT Tmobile"
brand: "plum"
price: "HK$674"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/573658317-cingular-flex-2-4g-lte-unlocked-flip-phone-att-tmobile
store_origin: HK
region: Hong Kong
---

# 4G LTE Connectivity 2MP Camera 1500 mAh Battery Cingular Flex 2, 4G LTE, Unlocked Flip Phone, ATT Tmobile

**Brand:** plum
**Price:** HK$674
**Availability:** ✅ In Stock

## Summary

> 📞 Flip Back to the Future with Style!

## Quick Answers

- **What is this?** Cingular Flex 2, 4G LTE, Unlocked Flip Phone, ATT Tmobile by plum
- **How much does it cost?** HK$674 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/573658317-cingular-flex-2-4g-lte-unlocked-flip-phone-att-tmobile)

## Best For

- plum enthusiasts

## Why This Product

- Trusted plum brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Long-lasting Power:** Enjoy up to 5.33 hours of talk time with a robust battery.
- • **Lightweight & Portable:** Easily fits in your pocket for on-the-go convenience.
- • **User-Friendly Interface:** Navigate effortlessly with the intuitive KaiOS 3.1 operating system.
- • **Capture Moments Instantly:** Dedicated side button for quick photo captures with a 2MP camera.
- • **Stay Connected, Stay Stylish:** Experience seamless 4G LTE connectivity with a classic flip design.

## Overview

The Cingular Flex 2 is an unlocked 4G LTE flip phone that combines classic design with modern features, including a 2MP camera, long-lasting battery, and user-friendly KaiOS 3.1, making it perfect for those who value simplicity and connectivity.

## Description

Cingular Flex 2, 4G LTE, Unlocked Flip Phone, ATT Tmobile

## Features

- 4G LTE Unlocked Flip Phone - Compatible with ATT, Tmobile, Consumer Cellular, Metro, Cricket, Boost Mobile, Mint, Ting, Lyca Mobile and any service provider that uses ATT / Tmobile network - NOT COMPATIBLE with Verizon or Straight Talk
- Cingular Flex 2– The classic flip phone, but better. Go back to the basics and stay connected with family and friends with fast 4G LTE and HD voice for crystal clear calls. Enjoy the feel of Cingular Flex 2 large, tactile keypad for sending messages, and a dedicated side button allows you to quickly capture photos with the main 2MP camera to save or share.
- The Cingular Flex 2 comes with intuitive interface and easy to read 2.8” internal and 1.77” external screens so you can always keep up-to-date with all the notifications.
- The Cingular Flex 2 is light and robust and easily fits into your pockets, so that you can easily carry it on the go. Live a carefree and productive lifestyle with the long-lasting battery, and experience all the essential features you need on a flip phone through the latest KaiOS 3.1 operating system – all on America’s most reliable 4G LTE network.
- WiFI / Hotspot, Bluetooth, SpeakerPhone
- The classic flip phone, but better. Go back to the basics and stay connected with family and friends with fast 4G LTE and HD voice for crystal clear calls. Enjoy the feel of Cingular Flex 2 large, tactile keypad for sending messages, and a dedicated side button allows you to quickly capture photos with the main 2MP camera to save or share.
- The Cingular Flex 2 is light and robust and easily fits into your pockets, so that you can easily carry it on the go. Live a carefree and productive lifestyle with the long-lasting battery, and experience all the essential features you need on a flip phone through the latest KaiOS 3.1 operating system – all on America’s most reliable 4G LTE network.
- Download Apps from KaIOS Store

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Display | LCD |
| Display Pixel Density | 2.8 Pixels Per Inch (PPI) |
| Screen Size | 2.8 Inches |
| Item Dimensions | 1.5 x 1 x 0.35 inches |
| Item Weight | 8 ounces |
| Phone Talk Time | 5.33 Hours |
| Average Battery Life Talk Time | 5.33 Hours |
| Battery Average Life | 320 minutes |
| Number of Rear Facing Cameras | 1 |
| Optical Sensor Resolution | 2 MP |
| Camera Description | Rear, Front |
| Rear Facing Camera Photo Sensor Resolution | 2 MP |
| Sim Card Size | Nano |
| Additional Features | KaIOS |
| Compatible Devices | flip phone |
| Color | Black |
| SIM Card Slot Count | Single SIM |
| Connector Type Used on Cable | USB Type C |
| Form Factor | Foldable Case |
| Operating System | KaiOS |
| RAM Memory Installed | 512 MB |
| Memory Storage Capacity | 4 GB |
| Connectivity Technology | Bluetooth, Mobile Hotspot |
| Wireless Network Technology | LTE |
| Cellular Technology | 4G |
| Wireless Provider | Unlocked for All Carriers |
| Battery Power | 1500 Milliamp Hours |
| Battery Type | Lithium-Ion |

## Product Details

- **Brand:** Plum
- **Operating System:** KaiOS
- **Ram Memory Installed Size:** 512 MB
- **Memory Storage Capacity:** 4 GB
- **Screen Size:** 2.8 Inches
- **Resolution:** 8 x 8
- **Model Name:** CINGULAR-FLEX2
- **Wireless Carrier:** Unlocked for All Carriers
- **Cellular Technology:** 4G
- **Connectivity Technology:** Bluetooth, Mobile Hotspot

## Images

![Cingular Flex 2, 4G LTE, Unlocked Flip Phone, ATT Tmobile - Image 1](https://m.media-amazon.com/images/I/61ffZdF+NXL.jpg)
![Cingular Flex 2, 4G LTE, Unlocked Flip Phone, ATT Tmobile - Image 2](https://m.media-amazon.com/images/I/61XG28AeIXL.jpg)
![Cingular Flex 2, 4G LTE, Unlocked Flip Phone, ATT Tmobile - Image 3](https://m.media-amazon.com/images/I/41+nuDxxJgL.jpg)
![Cingular Flex 2, 4G LTE, Unlocked Flip Phone, ATT Tmobile - Image 4](https://m.media-amazon.com/images/I/31dZWweT9aL.jpg)
![Cingular Flex 2, 4G LTE, Unlocked Flip Phone, ATT Tmobile - Image 5](https://m.media-amazon.com/images/I/31boQ7Hu3xL.jpg)

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**Shop now:** [https://www.desertcart.hk/products/573658317-cingular-flex-2-4g-lte-unlocked-flip-phone-att-tmobile](https://www.desertcart.hk/products/573658317-cingular-flex-2-4g-lte-unlocked-flip-phone-att-tmobile)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-08*