0
votes
1answer
30 views

Portable phone charger information for iPhone4

How to determine negative and positive power source on phone charger by color code between red or white ?
0
votes
0answers
10 views

Portable phone charger information [duplicate]

How to determine positive from negative power source on phone Charger compatible with iPhone4?
-1
votes
1answer
166 views

What's broken in my iPhone

I just got my friends' iPhone and he claims he's broken. So I sent it to a repair centre and they told me the logic board was broken. However, when I try to recharge the iPhone by plugging it in the ...
0
votes
0answers
794 views

iPhone won't charge anymore in infinite boot-loop

NOTE: I know this is a lot of text to handle, but I'll add a bounty whenever I can to the person who can bring me the solution. So see is as a motivation to read the whole text :) My friend has the ...
3
votes
2answers
14k views

iPhone turning off with plenty of battery remaining

Lately my iPhone 4 has been getting to 19% battery and then dropping straight to 1% and shutting off. Once I plug it back in and start it up it immediately shows up at 19%. Is this a battery or ...
1
vote
2answers
320 views

iPhone 4 battery questions

I have had an iPhone 4 with iOS5 for about 6 months. Is it good to wait for the battery to be almost 0% to recharge it? Is it good to recharge it to the fullest? Is it bad to leave the phone ...
2
votes
1answer
472 views

Short battery life on a brand new iPhone

Well I got my iPhone 4 about a week ago. When I got it I did several full charging cycles, 3-5 if I remember correctly. And these days an iPhone battery really seemed "unkillable". It was really hard ...
1
vote
6answers
1k views

Is it safe to turn the iPhone 4 off for over a week

I am going away on holiday for a week but don't want to take my phone with me because I'm afraid of running up a huge bill, is it safe to turn the phone off for this long? Or can it damage the ...
4
votes
3answers
2k views

Can using a non Apple USB cable damage an iPhone?

If I use a generic/aftermarket iPhone USB cable instead of the official Apple product, can it damage the iPhone? A vendor at the mall said that high quality iPhone USB cables have a chip that ...
3
votes
1answer
102 views

iPhone 4 “A Series” battery?

I was just about to order a replacement for my iphone 4, when I noticed there are apparently two different types. Both are claimed to be genuine apple batteries, however one costs nearly 10GBP more ...
1
vote
2answers
461 views

iPhone 4 Battery Leaked if I Don't Charge to 100%

Related question here. I find out that when I charge my iPhone, if I don't charge it to 100% before I pull out the charger, sometimes the battery will leak out very fast. The leak manifested in ...
2
votes
2answers
338 views

How Many Hours of Game Playing can Iphone 4 Support?

iPhone 4 supports: up to 6 hours of 3G up to 10 hours of wifi But how many hours of game play can iphone 4 support? I've been playing Angry Birds recently and it seems to me that the iPhone can ...
3
votes
2answers
2k views

Any Problem in Letting iPhone 4 Battery Drop to 0?

Is there any problem if I let my iphone 4 battery drops to 0%? I remember for older smartphones, once your battery flattens out all your data is lost, because they are stored in memory. While I ...
3
votes
1answer
599 views

The Battery Life Span of iPhone 4

I found that actively using my iphone for 30 minutes will take out 5-7% of the battery. Is it normal?
25
votes
3answers
67k views

Can I safely charge my iPhone 4 overnight on a regular basis?

First time caller, long time listener: I've seen this question asked on a few other sites but with no "definitive" answers. The Apple website on iPhone batteries is ambiguous, at best, and the ...