A: No. The SafetyNet attestation fails on Android 6.0 in 2024. You cannot use contactless payments.

You might be tempted to install a custom ROM like LineageOS 20 (Android 13). While that gives you modern features, it sacrifices the unique HTC experience. Here is why you should hunt for an stock ROM instead:

Locate your specific RUU executable file (.exe). Backup Data: This process wipes all data . Steps to Update/Restore to Stock

I can provide the exact file links and fastboot commands for your configuration. Share public link

Download the correct RUU .exe file matching your specific CID and MID.

It was a relic of 2014, a beast of a device in its prime. It had stereo BoomSound speakers that could wake the neighbors, a dual-camera setup that was the envy of the industry, and a metal body that felt like a polished bar of gold. But now, the screen was frozen on the boot animation—the dreaded "HTC" logo looping endlessly into infinity.

Use the volume keys to highlight and press the Power button to select it.

Note: In 2026, "updated" usually implies using the last official RUU (ROM Update Utility) from HTC, or using a "Stock-based" Custom ROM to gain modern security patches. Why Update Your HTC One M8 Stock ROM?

Follow the on-screen instructions. The program will flash the stock ROM and lock the bootloader automatically. Alternative Method: Flashing via TWRP (If RUU Fails)

Disclaimer: Flashing ROMs can be risky. Follow all instructions carefully. The user assumes all risk for damage to their device.

You must know your phone’s Carrier ID (CID) to download the correct RUU.

Finding these ROMs has become more difficult. HTC’s official download servers are largely offline, and many third‑party download links are broken. However, the dedicated community keeps these files alive. Here is a final checklist for your search:

Look for a ".exe" RUU file that matches your specific HTC One M8 model (e.g., M8_UL, M8_WL for Verizon, M8_UL for AT&T).

建议依次进行升级——从出厂版本逐步升级至Lollipop再升级至Marshmallow，直接跨版本可能出现兼容性问题。

If you’d like, I can help you for your model, or explain how to get S-OFF to make the flashing process easier. Which would you prefer? AI responses may include mistakes. Learn more Share public link