# CoolLED1248

> Dedicated control software for flexible display screens

Canonical page: [https://chrome-stats.com/d/com.jtkj.led1248](https://chrome-stats.com/d/com.jtkj.led1248)

## Overview

- **ID:** `com.jtkj.led1248`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** yfxiong
- **Category:** PERSONALIZATION
- **Downloads:** 368,664
- **Rating:** 3.46 / 5 (2,011 ratings)
- **Version:** 2.7.6
- **Last updated:** 2026-08-25
- **First published:** 2018-09-11
- **Publisher country:** CN
- **Size:** 194 MB
- **Data as of:** 2026-09-17
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.jtkj.led1248)
- **Website:** [http://www.jotus-tech.com](http://www.jotus-tech.com/)
- **Privacy policy:** [https://coolled1248.flycricket.io/privacy.html](https://coolled1248.flycricket.io/privacy.html)

## Description

CoolLED1248 is an innovative Chrome extension designed to revolutionize control over flexible LED display screens. This dedicated software allows users to easily manage and customize LED displays, offering a variety of materials like the Devil's eye, driving, and festive themes to unlock vibrant visuals.

The extension features one-click word changes directly from your phone, making it an indispensable tool for advertising with rich text, customizable templates, and border effects. It supports multiple programs and regions, animation, graffiti, and more, facilitating advertising across diverse environments such as windows, cars, mobile stalls, and storefronts. CoolLED1248 empowers users to redefine their advertising strategies with flexible, dynamic displays tailored to any setting.

## Rankings

- #117,414 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.BLUETOOTH_ADVERTISE`
- `android.permission.BLUETOOTH_CONNECT`
- `android.permission.BLUETOOTH_PRIVILEGED`
- `android.permission.BLUETOOTH_SCAN`
- `android.permission.CAMERA`
- `android.permission.CAPTURE_AUDIO_OUTPUT`
- `android.permission.CHANGE_CONFIGURATION`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_CONNECTED_DEVICE`
- `android.permission.INTERNET`
- `android.permission.MEDIA_CONTENT_CONTROL`
- `android.permission.MODIFY_AUDIO_SETTINGS`
- `android.permission.MOUNT_UNMOUNT_FILESYSTEMS`
- `android.permission.PERMISSION_DENIED`
- `android.permission.READ_MEDIA_AUDIO`
- `android.permission.RECORD_AUDIO`
- `android.permission.VIBRATE`
- `com.android.vending.CHECK_LICENSE`
- `com.jtkj.led1248.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

User reviews show the app is easy to use and offers appealing graphics when it works, but reliability is hampered by connectivity problems, frequent crashes, and performance lag. Users also report limited guidance on file formats and difficulty adding custom animations, plus settings that reset. Overall, the app is promising on Android devices but plagued by stability and compatibility issues that affect consistency.

### Pros

- Easy to use interface
- Works on many mobile devices / generally functional on phones
- Regular updates with new graphics and designs
- Engaging and visually appealing when working
- Provides basic LED sign control and design capabilities

### Cons

- Frequent connectivity and Bluetooth pairing issues (sign disconnects, can't connect)
- App crashes on certain devices (e.g., some Samsung models) and during use
- Lag and performance problems, especially in landscape mode or during drawing
- Limited customization and unclear file-type support for animations (difficult to upload custom content)
- Settings/controls reset or do not persist, reducing reliability

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.jtkj.led1248)