mtk6755 invalid imei - Android Q&A, Help & Troubleshooting

hi bros;
i've a phone with mtk6755 (2 SIM cards), so i flashed it with the proper ROM but when i started it i found that the imei was invalid
i've tried all methods but no results.
i've tried maui, chamelephon app...etc but my *#06# shows invalid imei...
when i've tried MAUI META, it can't load my mtk6755 DbgInfo_LR11.W1603.MD file..
any bro can help me for this issue of IMEI invalid

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