1. Cadillac Matt Bartlett's Avatar
    Hello all,

    Running CM12.1 rooted on a Note 4 (Sprint N910p). Wasn't sure whether to post this here or in CM forum as the problem only recently arose.

    I was able to send and receive text messages just fine up until this morning. No major changes done to phone. All of a sudden when replying to a message, the system says "message failed." When sending MMS, message goes through without a hitch! Was using stock messaging app, tried Textra just to be sure, same results. I can receive both SMS/MMS without issue. Only sending SMS causes send failure.

    For giggles I went ahead and wiped data/system, cleared cache & dalvik and reflashed CM12.1. Same issue. My work phone is also on Sprint network, Note 3, no issues with SMS/MMS.

    I searched Google for an answer, couldn't find anything helpful. Any help would be greatly appreciated! If I can provide any more info please let me know!
    09-08-2015 07:43 PM
  2. Cadillac Matt Bartlett's Avatar
    Did a little more searching on similar issues and it seems to be an issue with my SMSC code (accessed through #*#*4636*#*# menu in dialer). When hitting refresh, no code appears here. I followed tutorials on inputting the SMSC from Sprint (the digits with the + in front) and even tried converting it to PDU format and inputting it that way, no avail. As long as I attach a picture with my messages it will send as an MMS, still not sending SMS.
    09-10-2015 12:31 PM
  3. anthonymoua95's Avatar
    One temporary solution I've found that's worked so far:

    1. Type in the *#*#4636#*#* code in your dialer

    2. There should be a little drop down menu under "Set preferred network type:". Click on that

    3. Change whatever network you're currently on (I also have the SM-N910P version and usually get LTE/GSM/CDMA auto (PRL) by default) to CDMA auto (PRL)

    4. Let it stay on that network for 10-30 seconds and then switch back to LTE/GSM/CDMA auto (PRL)

    5. SMS SHOULD work again.

    If you ask me, it seems to be a problem with Cyanogenmod in general when it comes to this SMS problem. I've been lurking around various forums too and this problem seems to have been around for a while now. And one note, you will pretty much have to do this every time you reboot your phone or turn on/off airplane mode. It gets annoying after a while (which is why I'm glad standby time on CM 12.1 is amazing so I don't have to reboot my phone often) having to reconfigure the network in order for something as basic as SMS to work on this otherwise great ROM.

    Sent from a phone made in 2014 that's NOT OBSOLETE
    09-10-2015 01:44 PM
  4. Cadillac Matt Bartlett's Avatar
    Thanks so much for the help Anthony! Your solution worked perfectly for me. Sucks that we have to do this after each reboot, but more of a minor annoyance than anything. Hopefully they will fix it soon.

    My last experience with CM was years ago when the HTC EVO 4G first came out, I don't recall having any such issues with it. Have you run across any other good ROMs? Like you said, I love CM for the performance and sleek looks, but something this simple should be fixed pretty quickly. Maybe there's a way to automate this through Tasker every time the phone reboots.
    09-15-2015 04:25 PM
  5. anthonymoua95's Avatar
    I agree. In the end it is just a minor annoyance. I can deal with the minor annoyance as it takes less than a minute to configure even if I feel I shouldn't have to. I really hope Cyanogenmod finds a fix to that problem.

    Have you run across any other good ROMs? Like you said, I love CM for the performance and sleek looks, but something this simple should be fixed pretty quickly.
    I have the 5.1.1 firmware so it's hard to find ROMs for that firmware. If you have the 5.1.1 firmware, I'd recommend checking out OBAR. It is based off touchwiz/stock (You can go to the XDA Developers website and it'll be under the Sprint Galaxy Note 4 Android Development subforum). The thread is created SaintZ93

    I tried it out for about 4 days and enjoyed it. But I'm back on CM12.1 because I accidentally tried flashing Xposed with OBAR which got me in a bootloop. I had it all configured before it and I didn't want to reconfigure everything all over again (eg. freezing/disabling bloatware, setting up Nova, etc.). It retains all the stock apps minus some Sprint apps basically. It is pretty a speedy ROM and SMS works right out of the gate. No need to do any of that *#*#4636#*#* stuff after rebooting or turning on/off airplane mode. I'd give it a try.

    The Note line was meant to be about functionality (Note 4) and not form (Note 5)
    09-15-2015 10:41 PM

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