Chosen Solution
Why do I keep the message LG IMS Stopped?
Carry out the following steps: Set your LG phone to airplane mode to prevent the error message from popping up over and over.Head to Settings -> Apps & Notifications -> App info.Tap the 3-dot menu in the top right corner and enable show system.Look for com.lge.ims.rcsprovider in the list and tap it.In the detailed overview for this app, hit the following three buttons in order: Clear cache, clear storage/data, and force stop. (Depending on the Android version on your phone, some of these three options may be found under storage information.)You may have to repeat step 5 above multiple times for the problem to fix itself If you are having trouble navigating the phone because the message keeps popping up, remove your SIM card, follow the steps, and reinsert your SIM card. Removing the SIM card should stop the message from popping up. Source
