Use Load Fastboot by Sigma Box and Flash this rom by IMAGE Download Software v2.0.0.9
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
Princeton-AL00I 10.1.0.136(C00E136R2P11)_Firmware_general_EMUI10.1.0_05015QET
Princeton-AL00I 10.1.0.135(C00E135R2P11)_Firmware_general_EMUI10.1.0_05015MCH
Princeton-AL00I 9.0.1.110D(C735E106R1P15)_Firmware_9.0.0_r3_EMUI9.0.1_05015QEX
After flash follow this (https://www.youtube.com/watch?v=nKYrGMhx5hc&t=2s)
Princeton-AL00I 10.0.0.203(C675E5R1P2)_Firmware_EMUI10.0.0_05015PTA
Princeton-AL00I 10.0.0.203(C675E5R1P2)_Firmware_EMUI10.0.0_05015PSV
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
Princeton-AL00I 10.0.0.199(C675E5R1P2)_Firmware_EMUI10.0.0_05015PTA
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
Princeton-AL00I 10.0.0.194(C675E5R1P2)_Firmware_EMUI10.0.0_05015PSV
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
Princeton-AL00I 9.1.0.251(C675E10R1P4)_Firmware_9.0.0_r3_EMUI9.1.0_05015PTA
Only Platinum And Super Platinum -- To Get Password http://pass.halabtech.com/ فقط اصحاب العضوية السنوية يحصلون على كلمة سر من خلال الرابط
(After flash use *Safe Mode Method To Reset Frp* https://www.youtube.com/watch?v=VL4FdfEtDnA) /// (Be Careful Some phone Dead after Downgrade The problem with emmc chip)
Princeton-AL00I 10.0.0.181(C675E5R1P2)_Firmware_EMUI10.0.0_05015PSV
Princeton-AL00I 10.0.0.171(C675E4R1P2)_Firmware_NA_EMUI10.0.0_05015PSV
Princeton-AL00I 9.1.0.258(C675E10R1P4)_Firmware_EMUI9.1.0_05015PSV
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
NOT TESTED