TCPUART transparent Bridge

hardcoded joy Tools In-app purchases Contains ads

TCP <-> UART (USB adapter) transparent bridge

Rating: 4.7; 99 ratings
Downloads: 10K+; on Google Play
Price: Free; In-app purchases
Updated: Sep 17; 2026 · v1.3.8

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Screenshots

About TCPUART transparent Bridge

This application allows you to connect an UART (Serial) USB adapter to a TCP socket, to send and receive data.

Example use case:
- connect your Arduino to the phone using OTG cable
- access it using netcat in Linux

What’s new

Version 1.3.8 · Updated September 17, 2026

• updated UI • targetSdk 36 • minSdk 21 • non-invasive ads • app translated to more languages

User reviews

Anders Odhner

This app does what it's supposed to. I used it with a USB-to-RS232 adapter, a dial-up modem, socat, and pppd to get my rooted phone online in a place where all I had was a landline. I also managed to compile efax and use my phone with a dial-up modem to send and receive faxes. This app, along with socat is what allo...

Phillip Musumeci

Works as advertised. Very handy for temporary netcat or telnet access into an embedded uP when doing diagnostics.

Ali ghasemian

When the connection is disconnected, you need to connect to the server automatically

Nick Vlad

Great application. Why it stops server after 5 min. There is no pro version. I would buy it if it exist. Great for Ham software DV Blue with DMR Station interconnection. Exelellent job. Pitty I have to uninstall it because of server interupt. OTHERWISE GREAT SOFTWARE!!!

Billy jaguar Walker

The imprivement of my phone 1000,i have a server now

Michał Działak

Works great for connecting my proxmark3 to my phone

App details

TCPUART transparent Bridge is a free Tools app for Android with 10,000+ installs on Google Play and a 4.7/5 average rating from 99 ratings. It was released on April 18, 2019 and last updated on September 17, 2026. It's developed by hardcoded joy. It requires Android 5.0 or later. The app contains ads and offers in-app purchases.

Category: Tools
Rating: 4.7 / 5 (99)
Installs: 10,000+
In-app purchases: Yes
Ads: Contains ads
Version: 1.3.8
Requires Android: 5.0
Content rating: Everyone
Released: April 18, 2019
Last updated: September 17, 2026
Developer: hardcoded joy

View on Google Play

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