Many mobile network companies lock mobile devices to their networks so that they cannot be accessed by any other cellular networks other than that of theirs. One cannot also use any free network sim cards in their phones if they have bought a phone that is locked with a particular mobile network to be able to use your locked.

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This is the reason why it is important to approach a professional to unlock your phone so that you can use the cheapest and the best sim card in the device. We can unlock all makes and models of phone quickly and efficiently. This is also beneficial if you are visiting another country and want to use local sim card to avoid expensive roaming charges.

Use the flat screwdriver to pry up the old battery and avoid touching any wires on the system. Remove the glue-held wires with the same tool and bring in a soldering iron to detach them. Taking out the battery and then replacing it should be done is exact semblance. Putting in a new battery should be easier.