TCL
TCL FLIP 4 5G
A 5G KaiOS flip with a big battery. Has a browser, so bring some discipline.
Shipping Cheap entry points
$80 to $99
Metro by T-Mobile lists it at $80, and at launch many customers could get it free through a promotion. Refurbished T-Mobile-locked units were $99 at Dumb Wireless and are sold out.
- TypeFlip
- SoftwareKaiOS
- Screen3.2" LCD
- Network2G / 3G / 4G / 5G
- Introduced 2025
Software and apps
- Operating system
- KaiOS 4.0
- App store
- Curated apps
- Web browser
- Yes
- Yes
- Sideloading
- No
- No
- Spotify
- No
- Podcasts
- Unknown
- Apple Music
- No
- Your own MP3s
- Yes
- RCS messaging
- No
- Group texts
- Yes
- Android Auto
- NoKaiOS is not Android.
- Maps
- Unknown
Hardware
- Form factor
- Flip (dual screen)
- Screen
- 3.2" internal LCD 240x320 + 1.77" external 128x160
- Camera
- Yes
- Battery
- 3,000 mAh not user-replaceable
- USB-C
- Yes
- Headphone jack
- Yes
- Weight
- 155 g
Connectivity
- Network
- 2G / 3G / 4G / 5G5G + 4G LTE
- VoLTE
- Yes
- SIM
- Physical SIM + eSIM + microSDNano-SIM (4FF) plus an embedded eSIM. The SIM manager has an Add eSIM step, and TCL tells you to check with your carrier whether it is offered. One tray on the side edge holds both the SIM and a microSD card up to 1TB, so a card does not cost you the SIM.
- Wi-Fi hotspot
- Yes
- Bands
- 5G n25, n41, n66, n71 | LTE 1, 2, 4, 5, 12, 25, 26, 41, 66, 71 | WCDMA 1, 2, 4, 5 | GSM 850/900/1800/1900
- Works on
- T-Mobile
- Carriers
- T-Mobile and Metro by T-Mobile
Where to get one
- Regions
- United States
- Countries
- US
- Retailer
- dumbwireless.com
- Also sold at
- T-Mobile; Metro by T-Mobile; Walmart; dumbwireless
Notes
KaiOS 4.0 ships with Google Search, a cut-down Maps, YouTube and a web browser, so this is dumber by platform than by design. Metro and T-Mobile units are carrier-locked and will not take another network's SIM.
Last updated September 16, 2026.
