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For the last few months my Sony Xperia X phone has required charging several times a day even when used on airplane mode for reading books or listening to media. Three days ago I changed network supplier from Vodafone to O2 in the UK. Now my phone has returned to a healthy battery life. Either Jolla have sent out an OTA update or the change of mobile networks has made the difference. Having said that I have often used my phone offshore where there is no mobile coverage and have used it in airplane mode and often with wifi switched off as well. I was still experiencing unacceptable levels of battery drain. If it isn't due to an OTA update and is to do with the network, what on earth were Vodafone doing to my phone? Both Vodafone and 02 have good 4g coverage in my home area indoors and outside. I would like to know the answer to this question because Sailfish is supposed to be a secure operating system but if Vodafone can run something in the background without my knowledge what is it doing and if they can do this so can someone else. Has anyone else experienced this? I hope it is all due to an OTA upgrade not suspicious activity by a third party.

For the last few months my Sony Xperia X phone has required charging several times a day even when used on airplane mode for reading books or listening to media. Three days ago I changed network supplier from Vodafone to O2 in the UK. Now my phone has returned to a healthy battery life. Either Jolla have sent out an OTA update or the change of mobile networks has made the difference. Having said that I have often used my phone offshore where there is no mobile coverage and have used it in airplane mode and often with wifi switched off as well. I was still experiencing unacceptable levels of battery drain. If it isn't due to an OTA update and is to do with the network, what on earth were Vodafone doing to my phone? Both Vodafone and 02 have good 4g coverage in my home area indoors and outside. I would like to know the answer to this question because Sailfish is supposed to be a secure operating system but if Vodafone can run something in the background without my knowledge what is it doing and if they can do this so can someone else. Has anyone else experienced this? I hope it is all due to an OTA upgrade not suspicious activity by a third party.