[Galaxy S III Q&A, Help & Troubleshooting] Extratozoid:
I have important files on the phone that I have not saved in the computer .. and that's why I try to solve the problem by other means.

So you have no idea what's wrong?

I find build.prop and i deleted the lines :

"## Rendering GPU Enabled by Android BAM Tweaker ##
## GPU Tuned by Android BAM Tweaker ##
## Persist SYS HW Enabled by Android BAM Tweaker ##
## Scrolling speed tweak enabled by Android BAM Tweaker ##
## Touch tuned by Android BAM Tweaker ##
## Max events per second increased by Android BAM Tweaker ##
## PM Sleep Mode Enabled by Android BAM Tweaker ##
pm.sleep_mode=1
## Default Net Speed Tweaked by Android BAM Tweaker ##
## Wifi Net Speed Tweaked by Android BAM Tweaker ##
## UMTS Net Speed Tweaked by Android BAM Tweaker ##
## EDGE Net Speed Tweaked by Android BAM Tweaker ##
## GPRS Net Speed Tweaked by Android BAM Tweaker ##
## JPEG Quality Increased by Android BAM Tweaker ##
## Photo and Video recording quality Increased by Android BAM Tweaker ##
## Dialing out delay reduced by Android BAM Tweaker ##
## XLoud Enabled by Android BAM Tweaker ##
## More precisely incall volume control by Android BAM Tweaker ##
## Rendering GPU Enabled by Android BAM Tweaker ##
debug.composition.type=c2d
## GPU Tuned by Android BAM Tweaker ##
## Scrolling speed tweak enabled by Android BAM Tweaker ##
ro.max.fling_velocity=12000
debug.performance.tuning=1
ro.min.fling_velocity=8000
persist.sys.composition.type=c2d
## Persist SYS HW Enabled by Android BAM Tweaker ##
## Dalvik VM Heap Size Increased by Android BAM Tweaker ##
dalvik.vm.heapsize=60m
## Touch tuned by Android BAM Tweaker ##
touch.presure.scale=0.001
## Max events per second increased by Android BAM Tweaker ##
windowsmgr.max_events_per_sec=170
debug.qctwa.preservebuf=1
debug.qctwa.statusbar=1
## Qualcomm Tuned by Android BAM Tweaker ##
debug.qc.hardware=true
## Power Collapse Disabled by Android BAM Tweaker ##
ro.ril.disable.power.collapse=0
## HSXPA Tweaked by Android BAM Tweaker ##
ro.ril.hsxpa=2
## HSDPA Tweaked by Android BAM Tweaker ##
ro.ril.hsdpa.category=10
## HSUPA Tweaked by Android BAM Tweaker ##
ro.ril.hsupa.category=5
## GPRS Tweaked by Android BAM Tweaker ##
ro.ril.gprsclass=10
## 3G Tweaked by Android BAM Tweaker ##
ro.ril.enable.3g.prefix=1
## A53 Tweaked by Android BAM Tweaker ##
ro.ril.enable.a53=1
## DTM Tweaked by Android BAM Tweaker ##
ro.ril.enable.dtm=1
## HEP Tweaked by Android BAM Tweaker ##
ro.ril.hep=1
## HTCMASKW1 Tweaked by Android BAM Tweaker ##
ro.ril.htcmaskw1=14449
## HTCMASKW1 Bitmask Tweaked by Android BAM Tweaker ##
ro.ril.htcmaskw1.bitmask=4294967295
## AGPS Tweaked by Android BAM Tweaker ##
ro.ril.def.agps.mode=2
ro.ril.def.agps.feature=1
## GEA3 Tweaked by Android BAM Tweaker ##
ro.ril.enable.gea3=1
## PLMN Tweaked by Android BAM Tweaker ##
ro.ril.enable.fd.plmn.prefix=23402,23410,23411
## Default Net Speed Tweaked by Android BAM Tweaker ##
net.tcp.buffersize.default=4096,87380,256960,4096,16384,256960
## Wifi Net Speed Tweaked by Android BAM Tweaker ##
net.tcp.buffersize.wifi=4096,87380,256960,4096,16384,256960
## UMTS Net Speed Tweaked by Android BAM Tweaker ##
net.tcp.buffersize.umts=4096,87380,256960,4096,16384,256960
## GPRS Net Speed Tweaked by Android BAM Tweaker ##
net.tcp.buffersize.gprs=4096,87380,256960,4096,16384,256960
## EDGE Net Speed Tweaked by Android BAM Tweaker ##
net.tcp.buffersize.edge=4096,87380,256960,4096,16384,256960
## LTE Net Speed Tweaked by Android BAM Tweaker ##
net.tcp.buffersize.lte=4096,87380,256960,4096,16384,256960
## EVDO_B Net Speed Tweaked by Android BAM Tweaker ##
net.tcp.buffersize.evdo_b=4096,87380,256960,4096,16384,256960
## HSPA Net Speed Tweaked by Android BAM Tweaker ##
net.tcp.buffersize.hspa=4096,87380,256960,4096,16384,256960
## HSDPA Net Speed Tweaked by Android BAM Tweaker ##
net.tcp.buffersize.hsdpa=4096,87380,256960,4096,16384,256960
## JPEG Quality Increased by Android BAM Tweaker ##
ro.media.enc.jpeg.quality=100
## Photo and Video recording quality Increased by Android BAM Tweaker ##
ro.media.dec.jpeg.memcap=8000000
ro.media.enc.hprof.vid.bps=8000000
## Bravia Engine v2 by Android BAM Tweaker ##
ro.service.swiqi.supported=true
persist.service.swiqi.enable=1
## Dialing out delay reduced by Android BAM Tweaker ##
ro.telephony.call_ring.delay=0
## XLoud Enabled by Android BAM Tweaker ##
ro.semc.xloud.supported=true
media.xloud.supported=true
media.xloud.enable=1
ro.semc.sound_effects_enabled=true
persist.service.xloud.enable=1
## More precisely incall volume control by Android BAM Tweaker ##
ro.config.vc_call_vol_steps=20
## Audio Resample hack by Android BAM Tweaker ##
af.resampler.quality=255
af.resample=48000
ro.audio.samplerate=48000
ro.audio.pcm.samplerate=48000
persist.dev.pm.dyn_samplingrate=1
persist.audio.samplerate=48000
persist.af.resampler.quality=255
persist.audio.pcm.samplerate=48000
persist.af.resample=48000
persist.tegra.nvmmlite=1
htc.audio.swalt.enable=1
htc.audio.swalt.mingain=14512
## Audio quality rised by Android BAM Tweaker ##
ro.semc.clearaudio.supported=true
persist.service.clearaudio.enable=1
ro.somc.dmnorm.supported=true
persist.service.dmnorm.enable=1
ro.somc.clearphase.supported=true
persist.service.clearphase.enable=1
## Prevent memory manager to kill Launchers by Android BAM Tweaker ##
ro.PERCEPTIBLE_APP_ADJ=2
## Enable rotation to 270 degree by Android BAM Tweaker ##
windowsmgr.support_rotation_270=true"

but don't work ... phone stand still in bootlop

WARNING! I modified build.prop with wordpad on computer because that does not work open with a text editor in aromafm