[Android One (First-Generation) Cross-Device Genera] suyash14993:
Tweaks for data

Some editing in build.prop and you just have to on the aeroplane mode and back to normal mode n you get data ( you have to do it just once, not 3 to 4 times)

Steps :

1. Root the cm12 rom

2. Install any root Explorer or build.prop editor

3. Copy the following in build.prop (don't delete the things that are in it by default)

4. Save and exit

5. Reboot

Editing:

wifi.supplicant_scan_interval=497

pm.sleep_mode=1

power.saving.mode=1

ro.ril.disable.power.collapse=0

ro.vold.umsdirtyratio=20

pm.sleep_mode=1*

ro.ril.disable.power.collapse=0*

profiler.force_disable_err_rpt=1*

profiler.force_disable_ulog=1*

dalvik.vm.checkjni=false*

dalvik.vm.execution-mode=int:jit

ro.ril.power_collapse=1

power_supply.wakeup=enable

ro.mot.eri.losalert.delay=1000

ro.config.hw_fast_dormancy=1

ro.config.hw_power_saving=1

persist.service.adb.enable=1

ro.telephony.call_ring.delay=0

persist.sys.shutdown.mode=hibernate

ro.config.hw_fast_dormancy=1

ro.config.hw_quickpoweron=true

dalvik.vm.dexopt-flags=m=y

persist.service.pcsync.enable=0*

persist.service.lgospd.enable=0

debug.performance.tuning=1

ro.secure=0

persist.sys.use_16bpp_alpha=1

ro.product.gpu.driver=1

ro.min.fling_velocity=8000

ro.lge.proximity.delay=15

mot.proximity.delay=15

ro.ril.enable.amr.wideband=1

touch.presure.scale=0.0001

windowsmgr.max_events_per_sec=150

ro.max.fling_velocity=12000

ro.min.fling_velocity=8000

ro.min_pointer_dur=8

persist.service.lgospd.enable=0

persist.service.pcsync.enable=0

ro.ril.enable.a52=1

ro.ril.enable.a53=0

ro.media.panorama.defres=3264x1840

ro.media.panorama.frameres=1280x720

ro.camcorder.videoModes=true

ime_extend_row_keyboard=true

ime_onehand_keyboard=true

ime_split_keyboard=true

ime_vibration_pattern=0:60

ro.media.enc.jpeg.quality=100

ro.kernel.android.checkjni=0

ro.config.hw_menu_unlockscreen=false

persist.sys.use_dithering=0

persist.sys.purgeable_assets=1*

dalvik.vm.dexopt-flags=m=y

ro.mot.eri.losalert.delay=1000

net.tcp.buffersize.default=4096,87380,256960,4096, 16384,256960

net.tcp.buffersize.wifi=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.umts=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.gprs=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.edge=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.hspa=6144,87380,524288,6144,163 84,262144

net.tcp.buffersize.lte=524288,1048576,2097152,5242 88,1048576,2097152

net.tcp.buffersize.hsdpa=6144,87380,1048576,6144,8 7380,1048576

net.tcp.buffersize.evdo_b=6144,87380,1048576,6144, 87380,1048576

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=7

ro.ril.hsdpa.category=10

ro.ril.enable.a52=1

ro.ril.set.mtu1472=1

persist.cust.tel.eons=1

ro.config.hw_fast_dormancy=1

net.dns1=8.8.8.8

net.dns2=8.8.4.4

net.rmnet0.dns1=8.8.8.8

net.rmnet0.dns2=8.8.4.4

net.ppp0.dns1=8.8.8.8

net.ppp0.dns2=8.8.4.4

net.wlan0.dns1=8.8.8.8

net.wlan0.dns2=8.8.4.4

net.eth0.dns1=8.8.8.8

net.eth0.dns2=8.8.4.4

net.gprs.dns1=8.8.8.8

net.gprs.dns2=8.8.4.4

persist.telephony.support.ipv6=1

persist.telephony.support.ipv4=1

ro.com.google.locationfeatures=1

ro.com.google.networklocation=1

htc.audio.alt.enable=0

htc.audio.hac.enable=0

net.ipv4.ip_no_pmtu_disc=0

net.ipv4.route.flush=1

net.ipv4.tcp_ecn=0

net.ipv4.tcp_fack=1

net.ipv4.tcp_mem=187000 187000 187000

net.ipv4.tcp_moderate_rcvbuf=1

net.ipv4.tcp_no_metrics_save=1

net.ipv4.tcp_rfc1337=1

net.ipv4.tcp_rmem=4096 39000 187000

net.ipv4.tcp_sack=1

net.ipv4.tcp_timestamps=1

net.ipv4.tcp_window_scaling=1

net.ipv4.tcp_wmem=4096 39000 18700

wifi.supplicant_scan_interval=180

Hit thanks if I helped you