• Sonim XP3-Kashering, Tips, Tricks And Buying Guide

anonymousflipphone Correct, but there may be loopholes. (I haven't found any yet.) Also you must remove the Wi-Fi calling package even if you block browser, otherwise the device will have internet access.

      Apps4Flip-Admin Thank you! I'll try to update the post tomorrow with screenshots and ADB instructions to remove text, FM radio etc.

        mg5077 If you trust yourself to only put on apps that are kosher its not that big of a deal, technically if you know how to modify apps you can put most apps on the other phones also. I'm not going to get in the the hashkafic discussion of why its different than a filtered smartphone. Some good news for you is that you need to put the apps on through adb, it wont work to just click on the apk on the phone like most others [once its modified] so you cant just install an app like apk pure and have a full fledged store right on the phone. There are also many device restrictions you can block with a password in addtion to any apps, such as security, wifi, and usb restriction.

            Techgen All apps from apksure need ADB but I've found one (Zello) that can be Bluetoothed onto the device (or just put onto a SD card) but every app that I've tried from apkpure required ADB.

                Techgen Are you sure? Was the software fully updated? (The software must be FULLY updated for Wi-Fi calling to work)

                    chaimontherun Yes, I've researched it as well, it is not available for ATT. There are many small differences between the two versions

                        chaimontherun Interesting, I can't say I tried every app, but anything I tried from apk pure or elsewhere only worked with adb

                            Techgen I just wanted to add that you can also restrict factory resetting the phone with the built in restrictions app.

                                Techgen Yup, your correct. I found this on the web:

                                The phone supports voice-over-LTE on both AT&T and Sprint, and Wi-Fi calling on Sprint. It has HD calling, but not EVS. (EVS, which offers even better call quality than HD calling, requires a much higher-end modem.)

                                  Techgen Yes, but there may be a way to reset the phone even if its blocked through the built-in app. You must go to "restrict features" and restrict "security" also.

                                      chaimontherun Yes, I understood what you meant, I was just saying that also things not from apkpure didnt work. I looked at the page you linked, they say that they specifically signed it with a sonim signature so it should install on the sonim, so it makes sense that only that worked directly from the phone. [not sure about the update...]