SUNNYSKY vs ELRS Mobile

SUNNYSKY establishes a connection through the Bluetooth of the mobile phone and the Bluetooth of the ESC, so as to realize the functions of adjusting the parameters of the ESC, viewing the data, and upgrading the firmware.

ExpressLRS Mobile is the modern, mobile-first companion application for your ExpressLRS ecosystem. Built to simplify the management, configuration, and flashing of ExpressLRS receivers and transmitters, the app allows you to handle everything directly from your phone—no USB cables, no Python environments, and no PC required. Key Features 100% Offline Flashing: Prepare for the field before you leave. Our built-in Firmware Manager allows you to cache complete releases, letting you dynamically assemble and flash firmware targets even in remote locations with zero cellular service. Mobile-First Workflow: Connect directly to your hardware's built-in Wi-Fi hotspot. The app automatically ensures your mobile device stays connected to the ELRS hotspot, even when the OS realizes it lacks internet access. Device Discovery & Configurator: Instantly find your devices via mDNS. View live hardware status, configure PWM pins, adjust Model Match, or access the native ELRS Web UI through an embedded viewer. Smart Hardware Resolution: An intuitive cascading selection system (Device Type -> Vendor -> Frequency ->Target) ensures you always build and flash the correct binary for your specific hardware. Firmware 3.x & 4.x Ready: Full support for the latest ExpressLRS ecosystems. Compatibility Supports a wide range of Wi-Fi capable ExpressLRS hardware, including: RadioMaster: Nomad, Pocket, XR1/XR4 Dual Band, and more. BETAFPV: SuperP, Nano, and Micro series. HappyModel: EP / EP Dual and specialized targets. Platform Support: ESP8285, ESP32, ESP32-C3, and ESP32-S3 targets. Community & Support ExpressLRS Mobile is an independent, community-driven tool. We are active on the official ExpressLRS Discord and maintain an open-source repository on GitHub for bug reports and feature requests. Note: This is an independent tool and is not officially affiliated with ExpressLRS LLC. "ExpressLRS" is a trademark of ExpressLRS LLC.