I've been trying to fix this problem for a while now and I'm just growing more and more frustrated. I have two phones, my primary is a galaxy s20 and my old phone is a galaxy s8. I want to use my galaxy s8 as a backup and have been trying to get message+ to work on it just in case I ever have issues with my s20. Galaxy s8 is completely up to date but for some reason I can't access message+ on it. I download it, it asks me for my phone number and says they'll send me a text with a verification code, but I never get one. Message+ works on my s20 and my laptop but I can't get it to work on my s8. Am I doing something wrong or is this just not possible?