This accessory may not be supported iPhone 4

I have an iPhone 4 and I have a usb for it which I use to charge it up with on my laptop. Whenever I plug it in it will charge for like 2 seconds and then the message "This accessory may not be supported" appears on my iPhone and stops charging. I have to wiggle the usb wire around a few times before it starts charging again. Do I need a new charger?

IPhone 5C charger not working correctly?

I have a blue iPhone 5C and I needed to buy a charger off of amazon because the original Apple charger was bent and only charged when I had it at a certain angle. The charger I bought stated it was apple certified and did work for a while. However now, whenever I plug it into my phone it doesn't charge. Although when I plug it into my battery case it charges that which then allows me to charge my phone. Do I need to get a refund for the charger? I would prefer not to need to have my battery case on just to charge my phone if I don't need it. Any help would be great and only useful answers please.

Iphone 5s cracked screen

I drop my iphone 5s just now and the screen cracked. When i went to those shops that sells accessories for mobile devices they said the could repair my phone for $160. When i went to the Singtel shop it told me that they will repair my phone for $300+. Why is the Repair on Singtel cost more?

How to change my home screen wallpaper?

So i have an iPhone 4s and i want to set a photo from my camera roll as my home screen wallpaper. I go on photos and click an image and press the icon on the bottom left. It selects it and i press next. I then press use as wallpaper and it suddenly shows it on the lockscreen. But i don't have a choice for making it the home screen wallpaper. I can set apple wallpapers as my home screen background but not images from my camera roll?

How to reset my iphone without losing my contacts and other data?

Ok so I have an iPhone 5S using version 7.1. I was wondering if it was possible to like delete and reset my downloaded apps and the app data on my phone.

I want to do this to delink clash of clans from my phone to start a new one and there's no delink option, i don't know other ways to do it.