hello team I have designed a custom board based on the STM32MP157FAC1 and would like to request a review from experienced members to ensure its correctness and optimal performance. I have attached the schematic  for review.

i am developing custom board using STM32MP157FAC1.Please review the schematic of the  custom board and verify the connections. 

CURRENTLY I AM WORKNG ON STM32F407 DISC1. NOW I WANT TO DEVELOP CUSTOM BOARD USING .COULD YOU PLEASE REVIEW THIS SCHEMATIC CONNECTIONS. 

 I AM USING STM32F407G-DISC1 BOARD FOR DEVELOPING CUSTOM BOARD.HERE AN OSCILLATOR IS CONNECTED TO PH1 AND PH2 PINS. IS IT IS COMPALSORY FOR DEVELOPING CUSTOM BOARD?

Could someone help identify the part number and range for the SB1 component on the STM32F407G-DISC1 board? I'm interested in understanding its exact specifications.