Minecraft Bedrock doesn’t support mods officially or unofficially. That’s related to the universal codebase it uses. Currently, the only way to change things up in the Bedrock edition is to get texture packs, skins, and other add-ons via the Minecraft Marketplace. Support the Community Now...
most mod packs are safe and do not pose any threats to your device. However, it’s always good to stick with sources with a good reputation. Mods from shady sources may include viruses that can damage your device, mess up your world, or expose crucial data...