N910T 5.1.1 OK2 unlock Done - GSM-Forum

maizillo · 01-16-2016, 06:50

after searching for this for a couple of hours, im gonna share it

the trick its to downgrade the modem to nk4
run the unlock process and reflash the ok2 modem back
to repair imei works the same
downgrade reset msl fash back and then write cert

modem files

https://mega.nz/#F%2154IkUQ7Q%217uqZJ9pqQqKOLDWNIqrrhQ

Operation: Unlock
Selected model: SM-N910T
Selected port: COM35 SAMSUNG Mobile USB Serial Port
Software version: 24.1

Reading phone info...
Reading IMEI... OK
IMEI: 355306065xxxxxxx
Unlocking... OK
Reseting... OK
Unlock done

Done with Samsung Tool PRO v.24.1

cafonabob1 · 01-17-2016, 16:53

This method does not work to write cert. Unlock is easy.

When flash modem to NK4 you can reset MSL and IMEI 0/0. Then if you do write cert it hangs at "bypass MSL". If you flash back to OK2 the IMEI comes back and when you attempt to write cert it gives Bypass MSL... error (2) First reset MSL

mrfixit · 01-20-2016, 23:35

imei comes back after restore modem, so dont worry when it get null

murtaza_nns · 02-04-2016, 19:16

Quote:

Originally Posted by maizillo

after searching for this for a couple of hours, im gonna share it

the trick its to downgrade the modem to nk4
run the unlock process and reflash the ok2 modem back
to repair imei works the same
downgrade reset msl fash back and then write cert

modem files

https://mega.nz/#F%2154IkUQ7Q%217uqZJ9pqQqKOLDWNIqrrhQ

Operation: Unlock
Selected model: SM-N910T
Selected port: COM35 SAMSUNG Mobile USB Serial Port
Software version: 24.1

Reading phone info...
Reading IMEI... OK
IMEI: 355306065xxxxxxx
Unlocking... OK
Reseting... OK
Unlock done

Done with Samsung Tool PRO v.24.1

Thanks it worked for me. Thanks a lot

Riteshgpt60 · 02-09-2016, 06:58

Quote:

Originally Posted by maizillo

after searching for this for a couple of hours, im gonna share it

the trick its to downgrade the modem to nk4
run the unlock process and reflash the ok2 modem back
to repair imei works the same
downgrade reset msl fash back and then write cert

modem files

https://mega.nz/#F%2154IkUQ7Q%217uqZJ9pqQqKOLDWNIqrrhQ

Operation: Unlock
Selected model: SM-N910T
Selected port: COM35 SAMSUNG Mobile USB Serial Port
Software version: 24.1

Reading phone info...
Reading IMEI... OK
IMEI: 355306065xxxxxxx
Unlocking... OK
Reseting... OK
Unlock done

Done with Samsung Tool PRO v.24.1

how to write the .bin file

I rename the file to .tar and .md5 but odin can't flash .

fishneck · 02-09-2016, 23:45

can i downgrade modem for my N910U 5.1.1? if so where do i find these? i cant read,write or unlock my N910U because its 5.1.1 =( thanks

mrfixit · 02-10-2016, 11:36

Quote:

Originally Posted by Riteshgpt60

how to write the .bin file

I rename the file to .tar and .md5 but odin can't flash .

Put it in cp not ap, cp accept bin files too.

maxpatri9 · 02-10-2016, 18:31

imei null null after flash nk4 any hellp

Riteshgpt60 · 02-11-2016, 10:59

Quote:

Originally Posted by maxpatri9

imei null null after flash nk4 any hellp

flash og2 modem and unlock after unlock flash ok2.

tested.

br,

SANBORANN · 02-12-2016, 06:23

Big Thanks maizillo

maxpatri9 · 02-12-2016, 13:47

Thanks all redy done i flash ok2, all ok

Enviado desde mi iPhone utilizando Tapatalk

r.o0y · 02-13-2016, 03:01

this dont work for wirt cert . it hangs at "bypass MSL" when you flash the nk4 modem

bmurry · 02-13-2016, 10:07

Z3x doesn't need root

Sent from my SAMSUNG-SM-G890A using Tapatalk

Vero · 02-14-2016, 16:59

How downgrade the modem?

<ID:0/018> Odin engine v(ID:3.1005)..
<ID:0/018> File analysis..
<ID:0/018> SetupConnection..
<ID:0/018> Initialzation..
<ID:0/018> Get PIT for mapping..
<ID:0/018> Firmware update start..
<ID:0/018> SingleDownload.
<ID:0/018> modem.bin
<ID:0/018> NAND Write Start!!
<ID:0/018> Transmission Complete..
<ID:0/018> Now Writing.. Please wait about 2 minutes
<ID:0/018> Receive Response from boot-loader
<ID:0/018> RQT_CLOSE !!
<ID:0/018>
<ID:0/018> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)

r.o0y · 02-15-2016, 00:21

FLASH modem.bin with ODIN
Reset MSL and Unlock with z3x
Upgrade to current modem to write imei

01-16-2016, 06:50	#1 (permalink)
maizillo Freak Poster Join Date: Nov 2013 Posts: 145 Member: 2058197 Status: Offline Thanks Meter: 32	N910T 5.1.1 OK2 unlock Done after searching for this for a couple of hours, im gonna share it the trick its to downgrade the modem to nk4 run the unlock process and reflash the ok2 modem back to repair imei works the same downgrade reset msl fash back and then write cert modem files https://mega.nz/#F%2154IkUQ7Q%217uqZJ9pqQqKOLDWNIqrrhQ Operation: Unlock Selected model: SM-N910T Selected port: COM35 SAMSUNG Mobile USB Serial Port Software version: 24.1 Reading phone info... Reading IMEI... OK IMEI: 355306065xxxxxxx Unlocking... OK Reseting... OK Unlock done Done with Samsung Tool PRO v.24.1

01-17-2016, 16:53	#2 (permalink)
cafonabob1 No Life Poster Join Date: Apr 2010 Location: NYC/USA Posts: 733 Member: 1283129 Status: Offline Thanks Meter: 135	This method does not work to write cert. Unlock is easy. When flash modem to NK4 you can reset MSL and IMEI 0/0. Then if you do write cert it hangs at "bypass MSL". If you flash back to OK2 the IMEI comes back and when you attempt to write cert it gives Bypass MSL... error (2) First reset MSL

01-20-2016, 23:35	#3 (permalink)
mrfixit No Life Poster Join Date: Apr 2004 Location: MOON Posts: 5,858 Member: 60899 Status: Offline Thanks Meter: 792	imei comes back after restore modem, so dont worry when it get null

02-09-2016, 23:45	#6 (permalink)
fishneck Junior Member Join Date: Sep 2015 Posts: 37 Member: 2454163 Status: Offline Thanks Meter: 7	can i downgrade modem for my N910U 5.1.1? if so where do i find these? i cant read,write or unlock my N910U because its 5.1.1 =( thanks

02-10-2016, 18:31	#8 (permalink)
maxpatri9 No Life Poster Join Date: Apr 2015 Location: Dominican Republic Posts: 2,563 Member: 2382052 Status: Offline Thanks Meter: 1,511	imei null null after flash nk4 any hellp

02-12-2016, 06:23	#10 (permalink)
SANBORANN Freak Poster Join Date: Oct 2007 Location: Cambodia Posts: 350 Member: 620829 Status: Offline Sonork: 100.1600720 Thanks Meter: 48	Big Thanks maizillo

02-12-2016, 13:47	#11 (permalink)
maxpatri9 No Life Poster Join Date: Apr 2015 Location: Dominican Republic Posts: 2,563 Member: 2382052 Status: Offline Thanks Meter: 1,511	Thanks all redy done i flash ok2, all ok Enviado desde mi iPhone utilizando Tapatalk

02-13-2016, 03:01	#12 (permalink)
r.o0y Freak Poster Join Date: May 2014 Location: from JORD . work in usa . Posts: 278 Member: 2179929 Status: Offline Thanks Meter: 34	this dont work for wirt cert . it hangs at "bypass MSL" when you flash the nk4 modem

02-13-2016, 10:07	#13 (permalink)
bmurry Junior Member Join Date: Feb 2016 Posts: 30 Member: 2531094 Status: Offline Thanks Meter: 5	Z3x doesn't need root Sent from my SAMSUNG-SM-G890A using Tapatalk

02-14-2016, 16:59	#14 (permalink)
Vero No Life Poster Join Date: Sep 2005 Age: 41 Posts: 722 Member: 185279 Status: Offline Thanks Meter: 43	How downgrade the modem? <ID:0/018> Odin engine v(ID:3.1005).. <ID:0/018> File analysis.. <ID:0/018> SetupConnection.. <ID:0/018> Initialzation.. <ID:0/018> Get PIT for mapping.. <ID:0/018> Firmware update start.. <ID:0/018> SingleDownload. <ID:0/018> modem.bin <ID:0/018> NAND Write Start!! <ID:0/018> Transmission Complete.. <ID:0/018> Now Writing.. Please wait about 2 minutes <ID:0/018> Receive Response from boot-loader <ID:0/018> RQT_CLOSE !! <ID:0/018> <ID:0/018> Complete(Write) operation failed. <OSM> All threads completed. (succeed 0 / failed 1)

02-15-2016, 00:21	#15 (permalink)
r.o0y Freak Poster Join Date: May 2014 Location: from JORD . work in usa . Posts: 278 Member: 2179929 Status: Offline Thanks Meter: 34	FLASH modem.bin with ODIN Reset MSL and Unlock with z3x Upgrade to current modem to write imei