yes it is safe
So that it can charge right
When you are charging your iPhone it blinks on off then you have to check out the USB cable. Make sure that you are going to use only supplied USB cable. If you are using other accessories then it will not support your iPhone. Also while charging keep a your eye on battery. If you will see that the red part of battery image flash 3 times and screen goes black then it directly indicate that your device is not receiving proper power to charge.
Having an iPhone 4 is great, but accessories for the iPhone 4 can also enhance and protect your investment. There are many cases and protective gear for your iPhone, including holsters in which to keep your iPhone on you. There are also many types of charging adapters and charging mats to keep your phone energized. Don't forget about speakers and docks for your iPhone to turn it into a multimedia station.
I got mine iPhone charging port fixed today and it cost me 65$
get the proper charger that always works
Yes, you can charge your iPhone when it has a good amount of battery. However, you should avoid charging the phone until it is low in battery, to prolong the battery life.
Phone will charge faster with a larger charging current. Charging current depends on voltage, so your home charger likely has a higher voltage and therefore a higher charging current.
There are lots of options to find iPhone accessories. Local retailers, especially kiosks in malls specialize in mobile accessories. There are also lots of web stores for custom accessories.
The new key-ring attachment has made it easier to keep up with your new phone. One of the more popular features is the new charging case that will charge your phone while you are not at home or near any other electronic source.
You can buy accessories for iPhone 4 online at various retailers such as Wal-Mart, Target, Sears, JCPenney and Macy's. You can find accessories for iPhone 4 any occasion you may need.
You can purchase different accessories for your iPod or iPhone in stores that are specifically for these brands, like Apple. Or you could look to find cheaper websites like EBay or Amazon that offer the same accessories for less.
Most accessories are affordable for an IPhone 3 since it the IPhone 3 is a few years old. They should all be relatively affordable compared to iPhone 4 accessories.