Signal failures may occur due to a few reasons. And one of them is GSM antenna switch failure. You can replace a antenna switch with a new one. But in case of they are unavailable in the market there is a way to bypass it. But the worst case is after the bypass the phone will work in only one band. which means that you have to choose a one band and bypass in relevant way.
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| 2300 Ant Switch Bypass |
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