I-INN Firmware Downloads

4 files · 6 views

This page lists 4 I-INN firmware and device files available to download on File Firmware. Each entry below links to a dedicated page with the file name, size, release date and step-by-step usage notes. Always confirm a file matches your exact device model before flashing, and back up your data first.

i-INN Smartlet 3 Stock Firmware

i-INN_Smartlet_3_MT6572_270815_4.2.2.zip

Here you will find all the latest I-INN firmware for i-INN Smartlet 3. If you are looking …

Jun 16, 2026 311 MB

I-INN Communicator 9.7 3G Stock Firmware

I-INN_Communicator_9.7_3G_MT6577_4.1.2.zip

Here you will find all the latest I-INN firmware for I-INN Communicator 9.7 3G. If you are…

Jun 16, 2026 325 MB

I-INN Communicator 9.7 3G

I-INN_Communicator_9.7_3G_MT6577_4.1.2.zip

I-INN Communicator 9.7 3G Stock Firmware (Flash File) The Flash File will help you Upgrade…

Apr 28, 2026 325 MB

i-INN Avenue 5.5

i-INN_Avenue_5.5_MT6582_141017_4.4.2_MIRA.zip

i-INN Avenue 5.5 Stock Firmware (Flash File) The Flash File will help you Upgrade, Downgra…

Apr 28, 2026 1.79 GB

Frequently asked questions

Are I-INN files free to download?

Most I-INN files on File Firmware are free; any paid file is clearly marked with its price on its own page.

How do I pick the right I-INN file?

Open the file you need and check the model, version and file size on its page. Match these to your device before downloading or flashing.