Here’s a short guide on how to turnoff Google autocorrect and spell check on Xiaomi Redmi 4 android smartphone.

Root is required.

Disabling Google Spelling Check and text autocorrect on Redmi 4

  1. Install a terminal app on your smartphone (Termux for example) and run it.
  2. In terminal type and run these commands:
    su
    settings put secure spell_checker_enabled 0