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my iPhone 7 hard dropped from running bike , then after i got below issues

  1. wont turn on ( Power IC replaced - Working fine)
  2. audio prblem ( Audio IC replaced- only headphones not working charging works fine)
  3. screen totally damaged ( new screen replaced)
  4. Rear camera and flash not working ( after replaced U2501 ic also not working & also checked with another camera not works ) showing only black screen i fixed all issues except rear camera , even after replaced U2501 ( CAMERA IC ) Problem was not fixed front camera working fine kindly suggest me best solution to get my camera back to works again Thank you

There are several power rails that power the Rear Camera, U2501 being only one of them. Check to insure that U2501 is properly powered by VDD_BOOST and then check the other rails in the image below.