Same Problem here.I got droid ultra red from ebay.
Tata docomo Cdma is working call and data 1x. evdo cant be checked as no network here
Reliance cdma is working with only calls not data at all.
first tried with Tata docomo gsm it was working g...
Details about CVE-2015-3636 (kernel vulnerability which gives root) are shared here: https://www.blackhat.com/docs/us-15/materials/us-15-Xu-Ah-Universal-Android-Rooting-Is-Back.pdf
I think there will be an exploit like TowelRoot in some time....
So, the technique to get back to stock, acquire GPS lock and then jump back to custom ROM still holds good. :)
Now, my GPS works fine.
Moving on to downloading and installing my apps from the earlier setup (OctOS).
Pulled the radio for the Droid Maxx 4.4.4 Update 21.11.21. Radio Version 232.55.52.00r. For those who need to reflash or want the baseband without updating.
1) Download the Files here Radio_MSM8960PRO_BP_232.55.52.00r.zip
If your unlocked you...
Does bl need to be unlocked to root?
Sent from my XT1080 using XDA Free mobile app
No. But that is your only chance for unlocking boot loader.
So, go ahead and get that.