NO WIFI after downgrade galaxy S4 M919v 4.3 to 4.2.2 - GSM-Forum

zouna · 11-29-2013, 00:51

Hi ,
I downgraded My samsung galaxy s4 M919v from 4.3 to 4.2.2 then
i unlocked it by code.
then i got a lot of problems:
- WIFI not working
- Freeze phone when i make call.

Plz any suggestion.

alifauad79 · 11-29-2013, 00:58

Quote:

Originally Posted by zouna

Hi ,
I downgraded My samsung galaxy s4 M919v from 4.3 to 4.2.2 then
i unlocked it by code.
then i got a lot of problems:
- WIFI not working
- Freeze phone when i make call.

Plz any suggestion.

To all fellow unlockers, you can not downgrade 4.3 to 4.2.2 please don't attempt it as you will have Wifi Issues, call issues etc,

zouna · 11-29-2013, 03:16

so what i have to do exactly?
if i return back to 4.3 the wifi will work?

coolmfarshard · 11-29-2013, 03:22

Try and post the result

Sent from my GT-N7100 using Tapatalk

zouna · 11-29-2013, 20:07

anyone tried to upgrade to 4.3?

coolmfarshard · 12-01-2013, 07:07

Yes working perfectly

Sent from my GT-N7100 using Tapatalk

zouna · 12-01-2013, 07:16

WIFI works perfect? calls also?

nickmatine · 12-01-2013, 07:49

yes, wi fi work well also call after upgrade to 4.3
but do not try to downgrade to 4.2.2

zouna · 12-02-2013, 19:41

successfully upgraded galaxy s4 to 4.3 without any issues!
thank you all

zouna · 12-02-2013, 19:42

successfully upgraded galaxy s4 to 4.3 without any issues!
thank you all

maazi · 12-02-2013, 23:13

Quote:

Originally Posted by zouna

successfully upgraded galaxy s4 to 4.3 without any issues!
thank you all

But how did u downgrade? Can u tell us

nickmatine · 12-03-2013, 00:04

Quote:

Originally Posted by maazi

But how did u downgrade? Can u tell us

you cant downgrade to 4.2.2, unlock, and upgrade to 4.3

technomaster · 12-03-2013, 06:43

is possible to downgrade or not ? if yes how ? thx

rumisunqu · 03-01-2014, 03:05

I unlock one m919v today
first downgrade to 4.2.2
perform unlock with c3300k cable
and then reflash with 4.3 firmware
after that works fine and still unlocked.
b,r

flyman044 · 04-19-2014, 19:42

after update samsung gt i9505 4.2.2 is 4.4.2 , wifi is dead...

plz solution ??? Reflash for odin ???

11-29-2013, 00:51	#1 (permalink)
zouna Freak Poster Join Date: May 2010 Posts: 254 Member: 1305804 Status: Offline Thanks Meter: 22	NO WIFI after downgrade galaxy S4 M919v 4.3 to 4.2.2 Hi , I downgraded My samsung galaxy s4 M919v from 4.3 to 4.2.2 then i unlocked it by code. then i got a lot of problems: - WIFI not working - Freeze phone when i make call. Plz any suggestion.

04-19-2014, 19:42	#15 (permalink)
flyman044 Junior Member Join Date: Sep 2012 Location: turkey Posts: 20 Member: 1812913 Status: Offline Thanks Meter: 0	No wifi after update samsung gt i9505 4.2.2 is 4.4.2 , wifi is dead... plz solution ??? Reflash for odin ???

11-29-2013, 03:16	#3 (permalink)
zouna Freak Poster Join Date: May 2010 Posts: 254 Member: 1305804 Status: Offline Thanks Meter: 22	so what i have to do exactly? if i return back to 4.3 the wifi will work?

11-29-2013, 03:22	#4 (permalink)
coolmfarshard Freak Poster Join Date: Jul 2009 Posts: 356 Member: 1085379 Status: Offline Thanks Meter: 65	Try and post the result Sent from my GT-N7100 using Tapatalk

11-29-2013, 20:07	#5 (permalink)
zouna Freak Poster Join Date: May 2010 Posts: 254 Member: 1305804 Status: Offline Thanks Meter: 22	anyone tried to upgrade to 4.3?

12-01-2013, 07:07	#6 (permalink)
coolmfarshard Freak Poster Join Date: Jul 2009 Posts: 356 Member: 1085379 Status: Offline Thanks Meter: 65	Yes working perfectly Sent from my GT-N7100 using Tapatalk

12-01-2013, 07:16	#7 (permalink)
zouna Freak Poster Join Date: May 2010 Posts: 254 Member: 1305804 Status: Offline Thanks Meter: 22	WIFI works perfect? calls also?

12-01-2013, 07:49	#8 (permalink)
nickmatine Freak Poster Join Date: May 2012 Posts: 463 Member: 1754412 Status: Offline Sonork: 100.1620116 Thanks Meter: 27	yes, wi fi work well also call after upgrade to 4.3 but do not try to downgrade to 4.2.2

12-02-2013, 19:41	#9 (permalink)
zouna Freak Poster Join Date: May 2010 Posts: 254 Member: 1305804 Status: Offline Thanks Meter: 22	successfully upgraded galaxy s4 to 4.3 without any issues! thank you all

12-02-2013, 19:42	#10 (permalink)
zouna Freak Poster Join Date: May 2010 Posts: 254 Member: 1305804 Status: Offline Thanks Meter: 22	successfully upgraded galaxy s4 to 4.3 without any issues! thank you all

12-03-2013, 06:43	#13 (permalink)
technomaster Freak Poster Join Date: Feb 2005 Age: 44 Posts: 256 Member: 114443 Status: Offline Thanks Meter: 6	is possible to downgrade or not ? if yes how ? thx

03-01-2014, 03:05	#14 (permalink)
rumisunqu Freak Poster Join Date: Nov 2008 Location: gsm world Posts: 144 Member: 898448 Status: Offline Sonork: 1591885 Thanks Meter: 33	I unlock one m919v today first downgrade to 4.2.2 perform unlock with c3300k cable and then reflash with 4.3 firmware after that works fine and still unlocked. b,r