Ok here is the thing. A customer comes into my store and asks if we buy back phones? Turns out they had a Craft to sell. I see this as a opp. to do a little testing with the phone; so I gave the guy $45 dollars for it. Since I couldn't find anything about tethering with this phone I set out to explore the phone. I find a LTE Development menu within the phone's service menu. I suppose this menu activates a LTE Modem. As there is an option for "Modem Config".
After a couple failed attempts to get a tether going I give up. I reset the phone and now I get a constant message on the screen that says "Please connect USB cable between pone and PC." I go back to the LET Development menu and find that the Dev. option has been enabled again. As soon as I turn this off the message stops. However, when the phone is restarted for whatever reason the message reappears.
My queation is this:
Does anyone know how to turn LTE Dev off and make the setting stick?
Ok here is the thing. A customer comes into my store and asks if we buy back phones? Turns out they had a Craft to sell. I see this as a opp. to do a little testing with the phone; so I gave the guy $45 dollars for it. Since I couldn't find anything about tethering with this phone I set out to explore the phone. I find a LTE Development menu within the phone's service menu. I suppose this menu activates a LTE Modem. As there is an option for "Modem Config".
After a couple failed attempts to get a tether going I give up. I reset the phone and now I get a constant message on the screen that says "Please connect USB cable between pone and PC." I go back to the LET Development menu and find that the Dev. option has been enabled again. As soon as I turn this off the message stops. However, when the phone is restarted for whatever reason the message reappears.
My queation is this:
Does anyone know how to turn LTE Dev off and make the setting stick?
Well at least you just didn't see it when you bought it, I did it to mine all by myself!
First of all!!!! For those of you out there like me who like those extra menus, do NOT even open the LTE Development Menu as just going into it starts a chain of events that we don't yet know how to undo.
I am guessing on your unit that it only comes up in with the EV icon now and no more 4G. I am will ing to bet too that when you look at Phone Info, there is no LTE S/W version available anymore. I am working on getting more info regarding this from some contacts who have Samsung service access to some degree.
What need need to figure out, and I think this is the case, is if the maing R900 phone firmware is a separate thing altogether from the 4G modem firmware. If so even getting the R900 bin/dll wouldn't help. At least not with this problem anyway. One option we have is to just send it back to Samsung, it does have a 1 year warranty and hasn't been out that long, so... I have had mine barely 3 weeks (OOPS!!), so I will probably try and hustle my local corporate Metro store with hey this thing screwed up, no 4G and you are charging me more too!
The other thing that I am reluctant to do on mine, only because it is still my main and active cell phone right now, is the full factory reset. This would work if we just got the LTE modem stuck in a state we just don't know the commands to get out of. When it says plug in the USB cable to activate and no having any version info available, it could also be that we wiped the modems memory in which case we are screwed without reloading the firmware. I will try and find the codes for that if you are willing to give it a try. It won't hurt anything, and so long as you unlike me aren't using the phone online right now...
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For the person who asked (and BE CAREFUL!):
[Don't even open the LTE Developement Menu or you'll be sorry too]
##626* is the NAM Programming Mode
-- It will ask for the SPC, if you use 587846 you will just get MDN MIN options.
-- If you use the full specific SPC for your phone's IMEI/MEID it will give you an extensive menu.
--Note: To calculate your phone's SPC just enter the 9900 14 digit "IMEI" (it is just a 4G MEID with a 9900 prefix instead of A000) into an MEID to ESn converter and take the decimal pESN result and plug that into the MetroPCS Code Calc spreadsheet that has been floating around out there for years now and you got it.
The menu that got me in trouble...
Go into settings, select phone info, then on the keyboard type # (fcn-3) and it will ask for the SPC. You must give it the specific one calculated for your phone, not 587846. This will get you into a whole new world. Still haven't figured out the way to change settings in the port map. The danger zone is in the Field Test Menu, againg be careful or be sorry. That is where the LTE Development Menu is and don't even open it.
Another cool menu opens if you go into the Port Map menu and type * (fcn-8). It will then ask for a 10 digit "user lock", which is 0103219211. This is param Editor. Lets you turn on hidden menus, see build version, and turn on 'FIT Mode' whatever that is! I don't know and have enough sense not to try that one yet.
One last menu that you can get into that I have found is for the browser settings. Shows you some cool stuff in there, but not much that needs or should be changed except I got rid of Metro's damned home page and put Google Mobile for now.
Anyway you get into it by going into settings, and selecting Multimedia. In that menu type # (fcn-3), it will then as for the lock code (4 digits). This time it really is whatever the phone's lock code is.
Good Luck, and if you get more inffo or more codes...
...please share them.
Well, I just figure out at least how you can get rid of that damned annoying popup display problem we are (were in my case now) having. Go back into the in System Info and go to IDLE Popup Display and disable it. I am pretty sure you share my problem with now no longer having 4G capabilities, but it is a start and this won't be annoying us any longer.
Also, just for reference, I did note the original defaults before I started playing around and that was set to enabled from the factory, so there is clearly more going on we don't yet understand, but it is a start.
Added Note:
This really relates to my previous post where I refer to needing the specific SPC calculated from your IMEI/9900-MEID. There is an easier and simple way to get it online. Go to *****************, select MertoPCS, and put your 14 digit IMEI in there. It will not only tell you if it is clean to activate or not, but will pop up with your SPC too!
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Originally Posted by leakforyou
Popup Menu Problem Solved!
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