Enviado desde mi SM-G900A mediante Tapatalk
Hello. I am on the NE3 firmware for my AT&T Galaxy S4 Active (SGH-i537).
I used this guide to install the MF1 modem to my phone via Odin 3.07. Everything went smoothly and I instantly noticed an improvement in cellular data performance. Things just load faster. WiFi is about the same as it was, which can be a little spotty compared to the 4.2.2 firmwares. It's been that way since the 4.3 ML2 update.
The big problem I'm having (and I noticed something like this with ML2 and NE3) is that my Jabra SP700 Bluetooth car kit kills the phone audio (no sending or receiving) after the first call I take or make. I'm not even sure if it's connecting or not as it doesn't ring, I can't hear anyone, and they can't hear me. Rebooting the phone is the only thing that seems to fix it.
I have a few questions on this.
1. The modem shouldn't have any effect on the Bluetooth functionality, correct? Any problem with that would be related to other parts of the firmware, right?
2. Is WiFi controlled by the modem?
3. Did MF3 use the same modem as MF1? I recall that firmware being the best in terms of cellular data and WiFi performance.
4. If I wanted to revert the changes and go back to the NE3 modem, would I just flash the CP part of the firmware back using Odin? Or does that include more than just the modem?
I don't think it has to do with the modem.
Does your car kit have Bluetooth 4? if so I guess you need android 4.3+ modem not MF1.
MF3 did not use the same modem but MF2 did with the MF2 name in the system.
You can try to flash like this:
Attach the CSC first then the CP then flash. And if that won't work I guess you'll need to attach the CSC then CP then AP.
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