
MegaWifiUploader
Sega Genesis Wi-Fi ROM loader
About
Easily flash ROM images to a Sega Genesis MegaWifi cartridge wirelessly. Connect via Wi-Fi, select your ROM from various cloud services or local files, and write it to the cartridge in seconds without needing a USB programmer.
What's New in MegaWifiUploader
1.0
May 14, 2026
Developer apps
FAQ
What is MegaWifiUploader?
MegaWifiUploader is a utility app designed to wirelessly transfer ROM images to a MegaWifi flash cartridge for the Sega Genesis. It allows you to connect to the cartridge over Wi-Fi and write ROMs without the need for a USB programmer.
How do I connect MegaWifiUploader to my MegaWifi cartridge?
First, ensure your MegaWifi cartridge is running the wflash WiFi loader and has an IP address displayed on your TV. Then, open MegaWifiUploader, enter the cartridge's IP address into the app, and tap 'Connect'.
What types of ROM files does MegaWifiUploader support?
MegaWifiUploader supports bare ROMs in formats like .bin, .md, .gen, .smd, and .32x. It can also unpack archives such as .zip, .7z, .rar, and .gz directly in memory before writing to the cartridge.
Can I store ROMs on my iPhone for MegaWifiUploader?
Yes, MegaWifiUploader can access ROMs from your device's Documents folder, iCloud Drive, Dropbox, Google Drive, OneDrive, and Box. You can also open ROM files directly from Mail or Messages attachments via the share sheet.
Does MegaWifiUploader have ads?
No, MegaWifiUploader does not contain any advertisements. The app is designed to be a private and ad-free experience for users.
What are the system requirements for MegaWifiUploader?
You need a MegaWifi flash cartridge for the Sega Genesis/Mega Drive with the wflash WiFi loader installed, and a Wi-Fi network accessible by both the cartridge and your iPhone or iPad. The app is compatible with iPhone and iPad devices.
How often is MegaWifiUploader updated?
MegaWifiUploader was last updated on May 14, 2026, with version 1.0. As an independent third-party companion app, update frequency may vary based on developer support and cartridge firmware.
Is MegaWifiUploader compatible with all Sega Genesis models?
MegaWifiUploader is a companion app for a specific third-party flash cartridge, the MegaWifi cartridge. Its compatibility is tied to the functionality of that cartridge and the wflash loader, not directly to all Sega Genesis console models.





