Answer to: How do I get out of guest mode?I had faced the same situation, check out my blog for the solution. it requires an APP to be installed.
Answer to: How to switch off guest modeYou need to install a custom APK from BLU. Check out my blog to get the solution/download the APK.
Answer to: How do I get out of guest mode?Qs: how to come out of guest mode on BLU 5R? Answer: We need to contact BLU and they would probably share an APP that we need to install that solves the problem. Check out my blog to see the solution and also find a link to download the APK that BLU shared.