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Horrible battery drain issue with Project Fi SIM 0 Recommended Answers 17 Replies 26 Upvotes
Last edited 12/10/18
I switched to Project Fi about 2 months ago and noticed that my phone battery was draining abnormally fast, I charged my phone to 100%, and I woke up 8 hours later to find that there was 40% battery left. I have tried turning off location service, bluetooth, mobile data, WI-FI, disabled multiple apps running in the background, turned on stemina mode, even tried on 2 different phones, nothing was stopping the drain. I checked battery usage details and it showed Android System had used 38% and Phone Idle used 11% of battery life with no phone usage with mobile data and Wi-Fi off in 8 hours while I was sleeping.
I decided to switch back to my other provider's SIM and have had no battery drain issue at all. So I requested a data only SIM from Project Fi, and miraculously, battery usage went back to normal, and battery usage showed Android System used 6% and Phone Idle used 10% in 8 hours of no phone usage with mobile data and Wi-Fi on while I was sleeping.
Project Fi Data only SIM solved battery drain issue for now, however, I am unable to make phone calls and receive text messages unless I use apps like Google Voice and Hangout, this is very inconvenience. I would like to be able to go back to using my actual phone number for calling and texting since I pay for those services and I now have to pay for data usage to use Google Voice and Hangout for calling and texting.
I like the ability to use Project Fi services internationally without having to switch SIM, but I don't know what else I can do at this point about the battery drain issue other than keep using the data only SIM.
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