i founded this version rooted version for MCU v4.0
# begin build properties
# autogenerated by buildinfo.sh
ro.build.id=NMF27D
ro.build.display.id=K2001N_NWD_S212701.20200429.16034502
ro.build.version.incremental=20200330
ro.build.version.sdk=25
ro.build.version.preview_sdk=0
ro.build.version.codename=REL
ro.build.version.all_codenames=REL
ro.build.version.release=7.1.1
ro.build.version.security_patch=2017-03-05
ro.build.version.base_os=
ro.build.date=2020/03/30[11:38:35]
ro.build.date.utc=1599069789
ro.build.type=user
ro.build.user=fangxy
ro.build.host=NWD-SERVER-N254
ro.build.tags=test-keys
ro.build.flavor=t3_k2001_nwd-user
ro.product.model=QUAD-CORE T3 k2001-nwd
ro.product.brand=Allwinner
ro.product.name=K2001N_NWD_S212701
ro.product.device=t3-k2001-nwd
ro.product.board=exdroid
# ro.product.cpu.abi and ro.product.cpu.abi2 are obsolete,
# use ro.product.cpu.abilist instead.
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.cpu.abilist=armeabi-v7a,armeabi
ro.product.cpu.abilist32=armeabi-v7a,armeabi
ro.product.cpu.abilist64=
ro.product.manufacturer=Allwinner
ro.product.locale=ru-RU
ro.wifi.channels=
ro.board.platform=t3
# ro.build.product is obsolete; use ro.product.device
ro.build.product=t3-k2001-nwd
# Do not try to parse description, fingerprint, or thumbprint
ro.build.description=t3_k2001_nwd-user 7.1.1 NMF27D 20200330 test-keys
ro.build.fingerprint=Allwinner/t3_k2001_nwd/t3-k2001-nwd:7.1.1/NMF27D/20200330:user/test-keys
ro.build.characteristics=tablet
# end build properties
#
# ADDITIONAL_BUILD_PROPERTIES
#
ro.config.ringtone=Ring_Synth_04.ogg
ro.config.notification_sound=pixiedust.ogg
ro.carrier=unknown
ro.config.alarm_alert=Alarm_Classic.ogg
ro.nwd.base-date.utc=1599069789
wifi.interface=wlan0
wifi.supplicant_scan_interval=15
keyguard.no_require_sim=true
ro.kernel.android.checkjni=0
ro.opengles.version=131072
debug.hwui.render_dirty_regions=false
persist.sys.strictmode.visual=0
persist.sys.strictmode.disable=1
ro.sys.cputype=QuadCore-T3
ro.product.firmware=V1.0
drm.service.enabled=true
ro.sys.widevine_oemcrypto_level=3
ro.sys.ion_flush_cache_range=1
service.adb.tcp.port=5555
ro.adb.secure=0
persist.service.adb.enable=1
ro.debuggable=1
persist.bt.sco.uart=true
persist.sys.goc=0
persist.sys.bluetooth_goc=0
ro.product.platform=K2001N
ro.lockscreen.disable.default=true
persist.sys.nobootmusic=1
sys.nwd.wifi.enable=true
sys.wake.app.self.start.enable=false
ro.fastdexopt.enable=false
ro.fastdexopt.by.both=false
ro.iptables.limit.speed=400
ro.show.mobile.state.enable=false
persist.sys.logd.enable=true
sys.whitelist.enable=true
persist.nwd.bms.enable=true
sys.system.monitor.enable=false
sys.task.monitor.enable=false
sys.process.monitor.enable=false
sys.cpu.usage.monitor.enable=false
persist.sys.call-mode.enable=true
ro.sw.embeded.telephony=false
persist.sys.nwd.mw.ctrl=WM_3G
persist.sys.usb.config=mtp,adb
rw.logger=0
ro.zygote.disable_gl_preload=false
ro.sf.lcd_density=160
ro.display.sdcard=1
ro.part.sdcard=1
ro.sf.nwdrotation=0
ro.spk_dul.used=false
ro.config.low_ram=false
persist.nwd.multi.window.enable=true
persist.sys.timezone=Europe/Minsk
persist.sys.country=RU
persist.sys.language=ru
persist.fw.force_adoptable=true
ro.product.first_api_level=24
persist.sys.dalvik.vm.lib.2=libart.so
dalvik.vm.isa.arm.variant=cortex-a7
dalvik.vm.isa.arm.features=default
dalvik.vm.lockprof.threshold=500
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt
ro.expect.recovery_id=0x89e47fc42087b92f0cf67346227c71c88af0fdcb000000000000000000000000