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Why exchange i gave my M30s to my mother she doesn't need much of a smart phone just YT, Whatsapp so and she mostly stays at home connected to WiFi so network issues not a problem too,
I suggest not to exchange instead sell it in olx ( no one buys 😜) or give it to anyone.
yaa no one buys M30s and my mother has Vivo mobile thats better then this M30s. Have to see what happens... i will purchase A50s or A51 in diwali sale😁😁