Have you tried another compatible charger/charger cord or connected the phone to a known working USB port in a computer, in case the charger (or charger cord) is faulty?
Here’s a link that may help. It seems to have helped a of of others. [post|126607].
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If that doesn’t work use a strong light and a magnifying glass and visually inspect the USB charge port enclose for any lint etc that may be trapped in there preventing a good electrical connection. Also check that all the pins are there (5) and that they are not bent or broken and that they are straight and parallel with each other.
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If that doesn’t work use a strong light and a magnifying glass and visually inspect the USB charge port enclosure for any lint etc that may be trapped in there preventing a good electrical connection. Also check that all the pins are there (5) and that they are not bent or broken and that they are straight and parallel with each other.
If it seems that something is there that shouldn’t be, ''do not'' use a metal pin or probe to try and remove it as you may damage the pins or cause electrical problems in the phone. Use a vacuum cleaner instead to try and suck it out. If it still won’t budge then try using a sharpened wooden toothpick to ''gently'' prise it out.
If the USB port seems OK then try the following:
Connect the charger cord to the phone but do not connect the charger itself to anything!
Grab hold of the phone firmly in one hand and then grabbing the inserted plug of the charger cord by the other hand try ''gently'' to move it up and down and side to side to detect any movement in the USB port.
If there is movement felt or even not then the phone needs to be opened and the USB port further inspected.
Here’s the ifixit [[Topic:Samsung Galaxy S III]] guides which will help you to open the phone so that the USB port can be accessed.
If the port is loose or damaged and it needs to be replaced [https://www.instructables.com/id/Replacing-a-USB-Connector-on-Galaxy-S3/|here] is how to do this. Replacement USB connectors are available online. Just search for ''Galaxy S3 USB connector'' to get results for suppliers that suit you.
If all this seems too daunting, contact a reputable, professional mobile phone repair service and ask for a quote.
Hi @piero90,
Have you tried another compatible charger/charger cord or connected the phone to a known working USB port in a computer, in case the charger (or charger cord) is faulty?
Here’s a link that may help. It seems to have helped a of of others. [post|126607].
If that doesn’t work use a strong light and a magnifying glass and visually inspect the USB charge port enclose for any lint etc that may be trapped in there preventing a good electrical connection. Also check that all the pins are there (5) and that they are not bent or broken and that they are straight and parallel with each other.
If it seems that something is there that shouldn’t be, ''do not'' use a metal pin or probe to try and remove it as you may damage the pins or cause electrical problems in the phone. Use a vacuum cleaner instead to try and suck it out. If it still won’t budge then try using a sharpened wooden toothpick to ''gently'' prise it out.
If the USB port seems OK then try the following:
Connect the charger cord to the phone but do not connect the charger itself to anything!
Grab hold of the phone firmly in one hand and then grabbing the inserted plug of the charger cord by the other hand try ''gently'' to move it up and down and side to side to detect any movement in the USB port.
If there is movement felt or even not then the phone needs to be opened and the USB port further inspected.
Here’s the ifixit [[Topic:Samsung Galaxy S III]] guides which will help you to open the phone so that the USB port can be accessed.
If the port is loose or damaged and it needs to be replaced [https://www.instructables.com/id/Replacing-a-USB-Connector-on-Galaxy-S3/|here] is how to do this. Replacement USB connectors are available online. Just search for ''Galaxy S3 USB connector'' to get results for suppliers that suit you.
If all this seems too daunting, contact a reputable, professional mobile phone repair service and ask for a quote.