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Root [MetroPCS] Radio Advice

tgif

Lurker
Okay, new Metro S4 on stock 4.3 & MK5, and my signal's erratic. So, I'd like to flash a TMO radio and/or possibly tweak my auto settings.

1. KNOX!? I know I can't downgrade my bootloader, but will I trip Knox by flashing my radio?

2. Where are the Radios!? Searched here and on XDA, nada. I'm looking for TMO's NB4 GSM modem. Any repositories?

3. Does anyone know of any tweaks to the auto network mode? I notice that I jump around between Edge, 4G, 4Glte with each having different signal strengths. I'm not sure what they algorithm is, but it seems like crap, at least for me. Sitting in one place, my phone will leave LTE with a 14asu for Edge at 4asu, and then skip around to 4G, and just flippin' meander around, before finally sticking to Edge. Can we control the auto mode a little better?

TIA
 
Okay, new Metro S4 on stock 4.3 & MK5, and my signal's erratic. So, I'd like to flash a TMO radio and/or possibly tweak my auto settings.

1. KNOX!? I know I can't downgrade my bootloader, but will I trip Knox by flashing my radio?

2. Where are the Radios!? Searched here and on XDA, nada. I'm looking for TMO's NB4 GSM modem. Any repositories?

3. ***
1. K, I think I got this answer. I found a NB4 modem thread and it looks like I'd trip Knox since I'm on 4.3. But isn't NB4 a post-4.3 modem? I though I could flash equal or later things without tripping Knox?

2. Well, I found the NB4 thread!
3. No answer found to this one yet. Any tips?
 
1. K, I think I got this answer. I found a NB4 modem thread and it looks like I'd trip Knox since I'm on 4.3. But isn't NB4 a post-4.3 modem? I though I could flash equal or later things without tripping Knox?

2. Well, I found the NB4 thread!
3. No answer found to this one yet. Any tips?

1- I don't think you will trip knox by JUST flashing the modem but I'm not 100% sure, other thing are kernels, bootloaders and whole firmwares. Having 4.3 you can't downgrade firmwares thru Odin flash. Having 4.3 will trip your Knox by flashing any firmware (upgrading)
2- You can extract from T-Mob NB4 firmware and flash it with Odin as I did but I'm in the old bootloader.
3- No trick that I know.
 
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