[Android Q&A, Help & Troubleshooting] Velcis Ribeiro:
Please i want help with it, no one mode rooting was finished. It always say Permission Denied :/

I think it is MTK6573

Look

# begin build properties
# autogenerated by buildinfo.sh
ro.build.id=GRJ90
ro.build.display.id=MC7305.zheng.V1.en
ro.build.version.incremental=eng.chenmaoxing.1347616888
ro.custom.build.version=1
ro.build.version.sdk=10
ro.build.version.codename=REL
ro.build.version.release=2.3.5
ro.build.date=Fri Sep 14 18:08:12 HKT 2012
ro.build.date.utc=1347617293
ro.build.type=user
ro.build.user=chenmaoxing
ro.build.host=RD-Server
ro.build.tags=test-keys
ro.product.model=MC603CH
ro.product.brand=yusu
ro.product.name=cellonsz73_gb
ro.product.device=cellonsz73_gb
ro.product.board=cellonsz73_gb
ro.product.cpu.abi=armeabi
ro.product.manufacturer=unknown
ro.product.locale.language=en
ro.product.locale.region=US
ro.wifi.channels=
ro.board.platform=
# ro.build.product is obsolete; use ro.product.device
ro.build.product=cellonsz73_gb
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=cellonsz73_gb-user 2.3.5 GRJ90 eng.chenmaoxing.1347616888 test-keys
ro.build.fingerprint=yusu/cellonsz73_gb/cellonsz73_gb:2.3.5/GRJ90/eng.chenmaoxing.1347616888:user/test-keys
ro.build.flavor=
# end build properties

# begin mediatek build properties
ro.mediatek.version.release=MC7305.zheng.V1.en
ro.mediatek.platform=MT6573
ro.mediatek.chip_ver=S01
ro.mediatek.version.branch=MC7301
# end mediatek build properties
#
# system.prop for generic sdk
#

rild.libpath=/system/lib/mtk-ril.so
rild.libargs=-d /dev/ttyC0

# MTK, Infinity, 20090720 {
wifi.interface=wlan0
# MTK, Infinity, 20090720 }

# MTK, mtk03034, 20101210 {
ro.mediatek.wlan.wsc=1
# MTK, mtk03034 20101210}

# MTK, mtk03034, 20110318 {
ro.mediatek.wlan.p2p=1
# # MTK, mtk03034 20110318}

# MTK, mtk03034, 20101210 {
mediatek.wlan.ctia=0
# MTK, mtk03034 20101210}
#

# MTK, TeChien {
ro.media.enc.hprof.file.format=3gp
ro.media.enc.hprof.codec.vid=m4v
ro.media.enc.hprof.vid.width=720
ro.media.enc.hprof.vid.height=480
ro.media.enc.hprof.vid.fps=30
ro.media.enc.hprof.vid.bps=3400000
ro.media.enc.hprof.codec.aud=amrnb
ro.media.enc.hprof.aud.bps=12200
ro.media.enc.hprof.aud.ch=1
ro.media.enc.hprof.aud.hz=8000

ro.media.enc.mprof.file.format=3gp
ro.media.enc.mprof.codec.vid=m4v
ro.media.enc.mprof.vid.width=352
ro.media.enc.mprof.vid.height=288
ro.media.enc.mprof.vid.fps=30
ro.media.enc.mprof.vid.bps=990000
ro.media.enc.mprof.codec.aud=amrnb
ro.media.enc.mprof.aud.bps=12200
ro.media.enc.mprof.aud.ch=1
ro.media.enc.mprof.aud.hz=8000

ro.media.enc.lprof.file.format=3gp
ro.media.enc.lprof.codec.vid=h263
ro.media.enc.lprof.vid.width=176
ro.media.enc.lprof.vid.height=144
ro.media.enc.lprof.vid.fps=30
ro.media.enc.lprof.vid.bps=384000
ro.media.enc.lprof.codec.aud=amrnb
ro.media.enc.lprof.aud.bps=12200
ro.media.enc.lprof.aud.ch=1
ro.media.enc.lprof.aud.hz=8000
# MTK, TeChien }

wifi.tethering.interface=ap0
wifi.direct.interface=p2p0
ro.opengles.version=131072

#
# ADDITIONAL_BUILD_PROPERTIES
#
ro.sf.hwrotation=0
curlockscreen=1
ril.current.share_modem=1
ro.mediatek.gemini_support=false
ro.config.notification_sound=tri_tone.wav
ro.config.alarm_alert=Alarm_Classic.ogg
ro.config.ringtone=Marimba.mp3
launcher2.allappsgrid=2d
media.stagefright.enable-player=false
media.stagefright.enable-meta=false
media.stagefright.enable-scan=false
media.stagefright.enable-http=false
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt

Thanks guys, i need root. Or Rom or another thing, i didnt want to brick the phone, thanks!

Is there a way to backup like Recovery .img file if i flash a wrong one? :/