4 ms·Well they are the people who sold a phone with no support for background tasks. They can do as they please.by easytiger 12y agoWell they are the people who sold a phone with no support for background tasks. They can do as they please.deleted 12y ago[deleted]threeseed 12y agoiOS supports the most common background tasks.easytiger 12y agoIt didn't though for many yearsgress 12y agoWhich was a user-friendly decision during the period where android phones frequently died after only 4 hours of use.easytiger 12y ago> frequently died after only 4 hours of use. I've never had a phone die after 4 hours of use and I've had the 1st Gen iphone and the HTC G1