HST Firmware Downloads
This page lists 4 HST 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.
HST
HST Best Sonny LT559 Stock Firmware
HST_Best_Sonny_LT559_MT6737M_20170804_6.0.zip
Here you will find all the latest HST firmware for HST Best Sonny LT559. If you are lookin…
HST
HST Best Sonny LT680 Stock Firmware
HST_Best_Sonny_LT680_MT6737T_6.0.zip
Here you will find all the latest HST firmware for HST Best Sonny LT680. If you are lookin…
HST
HST Best Sonny LT566 Stock Firmware
HST_Best_Sonny_LT566_MT6737T_20171107_6.0.zip
Here you will find all the latest HST firmware for HST Best Sonny LT566. If you are lookin…
HST
HST Best Sonny LT681 Stock Firmware
HST_Best_Sonny_LT681_MT6737T_20180120_6.0.zip
Here you will find all the latest HST firmware for HST Best Sonny LT681. If you are lookin…
Frequently asked questions
Are HST files free to download?
Most HST 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 HST 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.