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Deactivate GSM-Module in Android

+1 vote

I would like to deactivate the GSM module in cell phone Google Nexus 4 so that the user cannot manipulate this state either- by setting the flight mode without possibility of user interaction to re-activate- or with system command for deactivating the GSM module- or by manipulating the firmware for Google Nexus 4. Is there a chance for solving this problem?Are there other ideas to solve this?

posted Jul 9, 2013 by anonymous

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2 Answers

0 votes

The third thing is impossible.

How are you going to stop people from taking open source firmware, rewriting it, and installing it? You can't.

answer Jul 9, 2013 by anonymous
0 votes

Here are the details: I use the Google Nexus 4 phone for a special application. I installed my android-app on the phone, and the user should only be able to use/ interact with this app and not be able to use other functions of the phone such as telephone or send messages. I also have to be sure that the user cannot change the settings I made (e.g. set flight mode).
I would prefer to change the firmware but have no idea how to do this. Do you have any suggestions?

answer Jul 12, 2013 by anonymous
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Update is installed but status is in pending on App Center. Since sync is alreday called , it won't rollback automatically and also not updating to newer version. The app crashes on startup everytime.

So how to rollback or update to new code push bundle version in this case ?

Here is the sample code:

componentDidMount() { 
codePush.sync(codePushOptions,(status) => {  
switch (status) {    
case codePush.SyncStatus.CHECKING_FOR_UPDATE:
//console.log("Checking for updates.");
case codePush.SyncStatus.DOWNLOADING_PACKAGE:
//console.log("Downloading package.");
case codePush.SyncStatus.INSTALLING_UPDATE:
//console.log("Installing update.");
case codePush.SyncStatus.UP_TO_DATE:
case codePush.SyncStatus.UPDATE_INSTALLED:         
throw new Error();

Note : I have thrown error to check working of auto rollback.