Galaxy Note 2 N7100 System File–build.prop

Most of the Android developers will root their Android phones or tablets. One of the main reason they root the Android devices is for access and modify the Android system file. We will try to search the possibility to fully utilize and increase the devices performance. Before you try to modify the device file, please make sure that you are understand the system file function and or the reference  data value. So, please make backup for the system file before modify or change the system file .

Root Galaxy S3

Here let us discuss about the Note 2 N7100 Network system file that related to Galaxy Note 2  Network Data,  position, Wideband and more. To access the system file, you need to root the Note 2 (Tutorial how to root). Then open the Root Explore application (you can download from Google play Store)  and go to System> build.prop.  Hold press the build.prop icon and the choose open build.prop by using text editor. You can found that there have lot of code setting for your Galaxy Note 2 and below is the system setting that related to the Note 2 N7100 Network system:

ro.ril.hsdpa.category = 10
ro.ril.hsupa.category = 64
ro.ril.hsxpa = 2
ro.ril.enable.amr.wideband=1
wifi.supplicant_scan_interval=45
dalvik.vm.heapsize=24m
ro.ril.def.agps.mode = 2

Here is the code setting definitions:
ro.ril.hsdpa.category :
1 = 1.2 Mbit/s
2 = 1.2 Mbit/s
3 = 1.8 Mbit/s
4 = 1.8 Mbit/s
5 = 3.6 Mbit/s
6 = 3.6 Mbit/s
7 = 7.2 Mbit/s
8 = 7.2 Mbit/s
9 = 10.1 Mbit/s
10 = 14.0 Mbit/s
11 = 0.9 Mbit/s
12 = 1.8 Mbit/s
13 = 17.6 Mbit/s
14 = 21.1 Mbit/s
15 = 23.4 Mbit/s
16 = 27.9 Mbit/s
19 = 35.3 Mbit/s
20 = 42.2 Mbit/s
21 = 23.4 Mbit/s
22 = 27.9 Mbit/s
23 = 35.3 Mbit/s
24 = 42.2 Mbit/s
25 = 46.8 Mbit/s
26 = 55.9 Mbit/s
27 = 70.6 Mbit/s
28 = 84.4 Mbit/s

HSDPA(High Speed Downlink Packet Access):
ro.ril.hsupa.category :
1 = 0.73 Mbit/s
2 = 1.46 Mbit/s
3 = 1.46 Mbit/s
4 = 2.93 Mbit/s
5 = 2.00 Mbit/s
6 = 5.76 Mbit/s
7 = 11.5 Mbit/s

HSUPA (high speed uplink packet access):
ro.ril.hsxpa : 3G
0 :UMTS r99
1 :HSDPA
2 :HSDPA/HSUPA

ro.ril.enable.amr.wideband:
0 : Disable AMR wideband /HD Audio support.
1: Enable AMR wideband /HD Audio support

AMR WideBand is daptive Multi-rate – with Wideband sampling is 16kHz.

wifi.supplicant_scan_interval:
wifi scanning timer in unit second.

dalvik.vm.heapsize=24m:
Virtual storage in Mb unit.

AGPS Mode:

ro.ril.def.agps.mode:

0 : Disable AGPS for  saving battery.
1 : No function
2 : Enable AGPS.

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