Found this upgrade for Meizu M3S. Is it ok to use?

4390

15

2018-12-27 19:54

Found this upgrade for Meizu M3S at mymeizuclub (http://mymeizuclub.ru/storage/m3s-mini/flyme-6_3_1_0g-dlja-m3s) . Checked under their IMEI section my phone was not there. Wanted to know the consequences of using this upgrade.