I too and my best friend had Note 4s which started doing the exact same thing.... Random restarts, lagging, freezing..... All after the spring software update. Switched batteries as did most of ya'll but no help here. Did factory reset which helped til software did another update. Took it to Verizon and they claimed it was the processor going out. Held on and upgraded to the Note 8. With the Note 8, switched to T-mobile and the lady said it wasn't the processor that it was indeed the software update. So, how do I fix my Note 4 so it is still functional as a backup?
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