A: Legitimate free tools (like Balong Downloader) never ask for money. If a site demands payment for the .BIN file, leave immediately.
Huawei’s official Mobile Partner software includes an automatic update feature. huawei+e303s1+firmware+update+free
Even with a free firmware update, things can go wrong. Here’s the fix matrix: A: Legitimate free tools (like Balong Downloader) never