オリジナル投稿者： Jeff ,
Is it possible that any liquid got into the phone? Some types of water corrosion can stop specific features from working. Based on the [https://www.ebay.com/itm/For-BLU-Vivo-8-V0150UU-V0150LL-5-5-Home-Button-Fingerprint-Flex-Cable-Replace/293056560454?hash=item443b883d46:m:mgtPMJjyOLiwK_G14Q1SSZw|part I found], it looks like the replacement isn’t going to be worth it. You might be able to open the device to clean and reset the connection, although I cannot find a tear down to confirm how this phone is opened. If you aren’t comfortable working on the phone with no guide, there are alternatives that will allow you to use the phone. iPhones have Assistive Touch which is a software feature to control buttons from the touch screen. [https://play.google.com/store/apps/details?id=com.easytouch.assistivetouch&hl=en_US|Here is an app] that you can install to get this feature on android. Hope this helps!