My Galaxy M21 was restarting automatically. I visited the service centre and they told that it's Motherboard issue . As my device was within warranty period ,they changed the motherboard free of coast ,now my device is running very smooth and it's free from every problem after changing the motherboard.
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Last month lost my Samsung M21 due to motherboard failure, 4 months after expiry of warranty. Repair cost quoted as Rs. 8500 by service centre. During further evaluation recommended display replacement as it was showing shades for Rs. 4500. Total repairs cost Rs. 13000 the MRP if the phone. Dropped the idea. Now would never buy a Made in India phone that too from Samsung
