[Q] Galaxy S3 no IMEI/ no CSC

Hi guys, got a S3 I9300 Device, with following statuses

*#1234# says:

PDA/AP: I9300XXDLIH
PHONE/CP: Unknown
CSC: I9300DBTDLI2

*#06# says:

IMEI: null/null

I know its a austrian device with simlock on 3hutchison, i dont know if its branded, furthermore i flashed it with a rom i had on my computer "I9300XXDLIH_I9300DBTDLI2_I9300XXDLID_HOME.tar.md5". I dont know what stockrom it has. I dont have efs folder saved, nor can i save it because the folder on the phone is empty?

I found some similar problems here, but those ppl 1. knew what stockrom to flash 2. they had at least a corrupt efs folder 3. i dont know if its important, but this phone has a simlock.

Good is that, i get into the download mode and odin recognizes it (custom binary download: Yes count 5)
And i get into the recovery menue.

All i want is to get this Device back to have network (maybe if its possible to remove afterwards the simlock,with GalaxySim Unlock app)

boomboomer said:

Unknown in phone/cp points to hardware issue.

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So why i dont have an IMEI ? So do i have a software and a hardware problem? And which part of the hardware? Mainboard or just the sim card reader?
@Isuru cs What sort of modem? Can it be any individual for the s3?

boomboomer said:

As I understand it the emmc chip is damaged, requires a new motherboard. Search on ebay for firms offering imei repair, they say if unknown in phone/cp then it cannot be repaired.

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sammobile.com/unlock/?phone=I9300

"Repair unknown Baseband", isnt it what my problem is?

Ok ty for that clear answer


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I dont think im gonna try this for 12$ to be honest. I thank you anyways, this actually might help someone else


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