Sometimes, the phone needs to be manually directed to locate its network operator. This problem is often encountered while driving across town or through areas where there is no signal. When this method fixes the problem, it's typically because the phone has failed to successfully jump from one tower's signal to another, resulting in a cellular radio that's turned on but effectively behaving as if it's turned off. What this does is detach the phone from the cell tower, then reattach it again. Once selected, there may be a prompt confirming the selection - hit OK and wait for a few seconds, then go back into the action bar again and turn Airplane Mode off once more. If restarting the device didn't work, another common solution to the no-service bug is to swipe down from the top of the phone screen to open the notification shade and selecting Airplane Mode from the quick-actions bar at the top. Most of the time, this will fix any problems that one encounters on their device. This will clean out the RAM in the device and allow the operating system to start over on a fresh page. To do this, hold down the power button until a prompt shows up to restart the phone, then select it and wait while the device handles the rest. Restart the PhoneĪny time an issue crops up with an Android smartphone, the first and simplest step is to just start over. How To Fix An Android Phone That Says No Service: 1. Without further ado, let's discuss the possible causes and fixes. The ESN takes many forms depending on the device and carrier, and it will be heard referred to as the international mobile equipment identity (IMEI) or mobile equipment identifier (MEID) depending on the interface that's being used. This may involve dialing a service number to re-register the electronic serial number (ESN) again with the carrier. However, it's sometimes necessary to re-register the handset and get it back on track with the carrier. More often than not, the user simply needs to restart the device or turn Airplane Mode on and back off again. In the event that this article doesn't solve the problem, many users have successfully dissolved the issue with the steps outlined here. For anyone whose Android handset has taken a sit on its service, don't worry - the answer isn't far beyond. The upside is, being a well-known problem, the answers have become pretty easy to come by in the event that it ever crops up. mSipManager.Fortunately - or maybe not - the "no service" bug is a fairly common issue with Android devices across every brand and carrier. If (mSipManager.isRegistered(mSipProfile.getUriString()))Ĭ.DEBUG().ftrace("already registered !!" + mSipManager.isRegistered(mSipProfile.getUriString())) If (ContextCompat.checkSelfPermission(c.ma(), _SIP) = PackageManager.PERMISSION_GRANTED)Īctivit圜ompat.requestPermissions(c.ma(), new String, 1) MSipManager.open(mSipProfile, pendingIntent, null) Ĭ.DEBUG().ftrace("WALKIE TALKIE NOT WORKING - Sip Exception!!") PendingIntent pendingIntent = PendingIntent.getBroadcast(c.ma(), 0, intent, Intent.FILL_IN_DATA) SipProfile.Builder builder = new SipProfile.Builder(c.config().getSIP_UserName(), c.config().getSIP_Domain()) ītPassword(c.config().getSIP_Password()) Ĭ.DEBUG().ftrace("incapable of parsing domain name, username or password!") MSipManager = SipManager.newInstance(c.ma()) I am calling the above fonction in the onCreate: void log_and_register()Ĭ.DEBUG().ftrace("VOIP Supported: " + SipManager.isVoipSupported(c.ma())) Ĭ.DEBUG().ftrace("SIP API Supported: " + SipManager.isApiSupported(c.ma())) I created 2 free Sip account (, ) and 1 commercial one (). I am always getting a registration failure -9 error code. I need to include a walki talkie in my app.
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