Downgrade j200g modem firmware - GSM-Forum

sainu · 07-02-2016, 21:43

How to downgrade j200g modem firmware-because ihave unlocking errorhttps://imageshack.us/i/plk44qyzj

xx0o0xx1 · 07-02-2016, 22:18

are u sure it's modem issue ?
why don't u check back z3x section

sainu · 07-03-2016, 01:53

iam check in z3x section, and mr.balang give this answer.
Posted many times. the problem new firmware in phone.
1 solution - modem downgrade and not 100%.
the correct history of this phone is,coustomer give this phone with out network,and iam check this phones imei.but imei blank and unknown base band.after iam update with new firmware but not return imei and baseband,after iam reset efs with bst dongle now return originall imei and baseband vertion.after iam put a sim card,now phone is country lock .iam try to unlock with z3x but coming error9

Aamirashiq01 · 10-11-2016, 16:48

Help me i wants j200g file

xerraco · 10-12-2016, 06:38

You can find one at Sammobile.

Br,
xerraco

mastana_dk · 09-07-2017, 06:42

https://www.androidfilehost.com/?fid=24686681827315853

looupss · 07-11-2018, 16:46

Quote:

Originally Posted by mastana_dk

https://www.androidfilehost.com/?fid=24686681827315853

write modem file phone no imei phone kill

Adesinasodiq88 · 06-30-2020, 18:38

Quote:

Originally Posted by mastana_dk

https://www.androidfilehost.com/?fid=24686681827315853

Unlock Done After Flash.

but IMEI service and baseband gone, no network just showing no service. so i only patch cert with z3x and JOB DONE

07-02-2016, 21:43	#1 (permalink)
sainu Freak Poster Join Date: Jul 2008 Location: kerala-malappuram-panangangara Posts: 259 Member: 804397 Status: Offline Thanks Meter: 51	Downgrade j200g modem firmware How to downgrade j200g modem firmware-because ihave unlocking errorhttps://imageshack.us/i/plk44qyzj

10-11-2016, 16:48	#4 (permalink)
Aamirashiq01 Junior Member Join Date: Aug 2015 Age: 30 Posts: 29 Member: 2443095 Status: Offline Thanks Meter: 4	J200g Help me i wants j200g file

09-07-2017, 06:42	#6 (permalink)
mastana_dk Freak Poster Join Date: Jul 2008 Location: meerut Posts: 303 Member: 804463 Status: Offline Thanks Meter: 77	j200g modem https://www.androidfilehost.com/?fid=24686681827315853

07-02-2016, 22:18	#2 (permalink)
xx0o0xx1 No Life Poster Join Date: Sep 2013 Location: The Hell Age: 31 Posts: 1,771 Member: 2033150 Status: Offline Thanks Meter: 624	are u sure it's modem issue ? why don't u check back z3x section

07-03-2016, 01:53	#3 (permalink)
sainu Freak Poster Join Date: Jul 2008 Location: kerala-malappuram-panangangara Posts: 259 Member: 804397 Status: Offline Thanks Meter: 51	iam check in z3x section, and mr.balang give this answer. Posted many times. the problem new firmware in phone. 1 solution - modem downgrade and not 100%. the correct history of this phone is,coustomer give this phone with out network,and iam check this phones imei.but imei blank and unknown base band.after iam update with new firmware but not return imei and baseband,after iam reset efs with bst dongle now return originall imei and baseband vertion.after iam put a sim card,now phone is country lock .iam try to unlock with z3x but coming error9

10-12-2016, 06:38	#5 (permalink)
xerraco No Life Poster Join Date: Nov 2008 Location: RVIII Posts: 11,696 Member: 890926 Status: Offline Thanks Meter: 2,053	You can find one at Sammobile. Br, xerraco