How to FixRepair Invalid IMEI Number Error in Android Phones

Is it possible to get different IMEI in android dual SIM device using imei slot 1 and 2 This 15-digit unique number verifies the identity of GSM, WCDMA, iDEN mobile, and some satellite phones as well It can prevent a misplaced or stolen phone from imei slot meaning IMEI नंबर कैसे बनता है? · 1 दाहिने छोर से हर दूसरे अंक को दुगुना किया जाता है । · 2 अंक को जोड़ा जाता है

imei slot 1 and 2 imei number in redmi note 9 pro