0
votes
1answer
4k views

My Windows 7 Lenovo laptop won't detect my iPhone 4S but it will charge it? [duplicate]

For the last 5 months my iPhone 4S won't connect to my Windows 7 Lenovo laptop or iTunes. It will charge in 2 of my USB ports, and I've tried 3 different cables. I've tried following tips off Apple ...
1
vote
1answer
13k views

iPhone 4S - sudden drop in battery percentage

I have an iPhone 4S and I just ran into a really weird issue the third time now: the battery percentage would suddenly drop 30-40-50%. One minute, it's, say, 69%, the next minute it's 25%. If I put it ...
3
votes
3answers
6k views

Can I safely charge an iPhone 4S with a 5V 2A source?

I just bought a New Trent IMP99D external battery, to keep my phone alive while gaming during long-haul flights. It has two USB ports to connect to, one which supplies 1 amp at 5 volts, another which ...
4
votes
5answers
6k views

Can the Apple 10W USB charger be used with a 7-port USB hub to charge iPad 2, iPhone 4S, and other devices at the same time when traveling?

When traveling, I probably will have the iPad 2, iPhone 4S, a USB backup charger, and some misc devices such as a Kindle Fire and a Sony digital camera that uses USB to charge its battery. So instead ...
2
votes
3answers
1k views

Charge % less than 100% even overnight?

When I charge my iPhone 4s it reaches 100%. But often, in the morning, it is as low as 95% and most of the time it shows less than 100%. If I unplug it and then plug it in again it quickly reaches ...