The script in this zip make a backup of the original build.prop: / sdcard / backup_build / renaming to build.backup.prop and appended to the build.prop file the following lines:
ro.ril.hsxpa = 2
ro.ril.gprsclass = 10
ro.ril.hep = 1
ro.ril.enable.dtm = 1
ro.ril.hsdpa.category = 10
ro.ril.enable.a53 = 1
ro.ril.enable.3g.prefix = 1
ro.ril.htcmaskw1.bitmask = 4294967295
ro.ril.htcmaskw1 = 14449
ro.ril.hsupa.category = 5
If you do not have the CWM Recovery and have activated root permissions , these tweaks are compatible with any device and any rom if you follow these steps to add it by hand :
Make a copy of build.prop in sdcard and rename it to build.backup.prop . In this way you will save the original if you want to restore .
Make another copy and rename not , being a text file you can modify it by adding the lines with tweaks after the last line that is written in the original file , leaving a blank line at the end of the file.
Move the modified build.prop where is the original in / system / replacing .
Change her permissions to rw -r - r -.
To change the permissions with root explorer : You let down the file, select "Permissions" from the context menu that opens, and there to leave with rw -rr , you have to put - > In reading marked the three boxes have owner, group and others, and writing single owner.
You restart .
WARNING , this change by hand if not done properly can be assumed that the device will not boot and you have to reinstall the rom.
