Samsung galaxy s2 will not charge

have you tried using a different charger? Try plugging it into the USB slot of a computer, does it charge then?

This is usually a symptom of water damage. If not there may be an issue with the charger or your battery.

either your battery is shot as in dead or your charger is faulty
you could try to charge it using a usb lead in your computer or another usb port to see if that works , or try another charger to eliminate your lead /charger you are using

check this

1. First of all make sure that you are using an approved wall charger of Samsung Company. Because charging accessories of other brands may have different voltage parameters and may cause Samsung Galaxy S5 not charging issue.

2. Plugged in your Samsung Galaxy S5 with an original Samsung Mobile charger, but do not turn on your phone. Sometimes it may take little longer to charge the phone. After you phone starts charging, a charging icon should appear on screen. But if you see nothing is appearing on screen, then Samsung Galaxy S5 not charging issue is occurring either for damaged charging cable or there is some problem on your phone such as the charging port is damaged or bent, or the charging contacts on your phone is not cleaned.

3. To check the charger, charge another Samsung phone using the same charger and see if it is charging. If the other phone is charging well, then the charger is fine. Now you should check your phone.

Samsung Galaxy S5 not charging issue

3. Check the charging port on your Galaxy S5. To check the charging port, take a light, magnifying glass and a pointed wooden toothpick. Then see if the charging port is in the center and not bent. If you find the port is bent, then straight it using the wooden toothpick carefully.

3. Also verify the charging contacts are clean. Sometimes dirt gets stored into the charging port and occurs Samsung Galaxy S5 not charging issue. So Insert a small needle in the charging port and clean carefully so that the port does not get bent or damaged.

4 Download Galaxy Charging Current, to see if your phone is charging at it's maximum potential

How to fix Samsung Galaxy S5 not charging issue

Summary

• Try a different charger with Samsung mobile origin.


• Try a different USB Cable and charge by Kies.


• Try charging it off via PC/Laptop.


• Try removing the battery for 3 minutes, let it cool down and then charging again.


• Blow inside the USB port and fix the contacts if it's bent.


• Reboot your phone several times.


• Download the battery charging electrical current app to monitor charging

(Note:Samsung Logo/images/Pictures has a respective copyright. I used it for demonstration purpose only.

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goodluck

try to clean the terminal points.
if not used.
replace it with brand new terminals or good ones.

Usually this lack of charging is a faulty mini usb connector inside the SII phone or maybe the mini USB plug on the end of charger cable. If you have a friend with a working SII use their phone to verify your battery or try their good battery in your phone. This will confirm it' s a charging / battery issue.
Not sure if you did this:A workaround for a faulty mini USB conn. in the SII would to be to buy a new battery and an external battery charger with battery holder stand. Charge batteries in the stand and change the charged batteries over into the Galaxy SII as needed.

have you tried with a different charger?
had the same problem with my old one, solved it with a new charger...

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Hello,

first, test th charger with another phone to confirm if its working or not.

If the rempte is working, then it means the charging port of your phone is defective and needs to be replaced.

Regards.