GSM

Signal lost after selecting USA Band in menu *#*#4636#*#*: how to solve the problem

In some android phone we can access at the advanced menu *#*#4636#*#* in which we can change some baseband settings including the radio band. In some case after selecting the USA Band in this menu the signal goes down, we lose every network connection, and we can't do nothing to restore the network. In this case the only real solution is to re-flash the radio through fastboot, this is the command...

Android: how to manually set the network via terminal

If we want manually set the network in Android, for example 2G or 3G, then we can use a simple command via the terminal or via adb. For the Motorola Stock Rom we can use this command: am broadcast -a com.android.phone.CHANGE_NETWORK_MODE --ei networkMode *VALUE* For the AOSP Rom we can use this command: am broadcast -a com.android.internal.telephony.MODIFY_NETWORK_MODE --ei networkMode *VALUE*...

Motorola Photon Q: how to solve the signal and battery problems

Some months ago I had worked hard on a "sim-modded" Motorola Photon Q to improve via software the connection 2G/3G and for this I released several updates for the gsm patch to reconfigure the RIL interface to make it correctly work on european gsm networks. The patch had improved the signal and the performance of data traffic, optimized the switching 2G/3G and accelerated the recovery of the...

Patch to fully enable GSM on CDMA Global phones with Android

The Global Phones are phones with CDMA and GSM modems but that are usually configured to primarly work on CDMA network and at least to be able to call on GSM network. If you have a Global Phone for CDMA Network and you want correctly use it on GSM Network than you have to edit the build.prop file to fully enable the GSM(2G)/UMTS(3G) and you have to set APNs to use data. Correctly editing the build.prop you will unlock the hidden menù Testing if it is locked as for Verizon phones, and you will be able to manage the baseband and you will enable on every Rom these advanced gsm features: GSM/UMTS -> [GSM auto (PRL)] in Testing menù SMS MMS 2G/3G Data USSD Code Call Forwarding Testing menù accessible dialing the code *#*#4636#*#* with this patch: your SIM GSM will be detected by roms CDMA...

GSM Patch for CyanogenMod 10.1.2 on Motorola Droid 4

Here you can download the last stable version of the CyanogenMod for the Motorola Droid 4 xt894 to install Andorid 4.2.2. This patch is only for non US users. To enable GSM you can install this my patch to insert in the Rom a correct build.prop file for the GSM and a list of europeans APN. The patch is for the CM 10.1.2 and it will enable: fully GSM SMS MMS 3G Data USSD Code The build.prop has been edited with these changes: persist.radio.ap.phonetype=1 ro.telephony.default_network=3 ro.telephony.gsm-routes-us-smsc=0 telephony.lteOnCdmaDevice=0 ro.mot.lte_on_cdma=0 How to install the patch: Copy the .zip file to the external memory or memory card Reboot your phone and enter on Safestrap From the Install menu select the .zip file and instal withotut signature verification on CyanogenMod...
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