boot loop and error text over faded logo

'''ok, so has anyone come across this? phone displays this text when powered on?

screen was replaced and phone was working but then this happened,

does anyone know how to fix this? the text that is displayed at the top is here below;'''

''(NAND) _findflashmediaandkeepout: 601 physical nand block offset 1

(NAND) start: 356 this 0x995e5400 PROVIDER = 0x97782e80 falshmedia = 0x97782e80

(NAND) WMR_Start: 149 Apple PNN NAND Driver, Read/Write

(NAND) WMR_Start: 174 FIL_Init (OK)

(NAND) WMR_Open :371 VFL_Open (OK)

(NAND) s_cxt_boot:88 sftl: error, unclean shutdown; adopted 288 spans

(NAND) WMR_open:420 FTL_open (OK)

(NAND)_publishServices:642 FTL capabilities: 0x00000001

(NAND)_ppnvflGetStruct:3469 checking borrowed blocks-count:23 max_count:23

(NAND)_fetchBorrowedList:881 number of borrowed blocks 16''