[Moto C Plus Questions & Answers] jkkk88:
Here are some basic info I gathered after first touch of this phone.

First thing everybody will do is turning off very loud boot logo sound:

Setting - Sound:

Power up sound - off

How to enter specific android modes when starting phone

- buttons Power + VolumeUp

Boot menu items - Recovery/Bootloader (fastboot)/Normal

- select Boot menu item with VolumeUp, confirm item with VolumeDown

- enter Recovery menu from Recovery no command screen with Power + VolumeUp

- select Recovery menu item with VolumeUp and VolumeDown, confirm item with Power

- buttons Power + VolumeDown

Another Boot menu with not english characters/words (somebody translate it pls)

How to enter Safe mode (3rd party apps will not be loaded)

- press/hold Power button until power menu shows up during normal android session

- tap/hold Power off option

- choose OK to reboot in Safe mode

Here are also some data from filesystem.

$ mount
rootfs on / type rootfs (ro,seclabel)
tmpfs on /dev type tmpfs (rw,seclabel,nosuid,relatime,mode=755)
devpts on /dev/pts type devpts (rw,seclabel,relatime,mode=600)
proc on /proc type proc (rw,relatime,gid=3009,hidepid=2)
sysfs on /sys type sysfs (rw,seclabel,relatime)
selinuxfs on /sys/fs/selinux type selinuxfs (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,seclabel,relatime)
none on /acct type cgroup (rw,relatime,cpuacct)
tmpfs on /mnt type tmpfs (rw,seclabel,relatime,mode=755,gid=1000)
none on /config type configfs (rw,relatime)
none on /dev/cpuctl type cgroup (rw,relatime,cpu)
pstore on /sys/fs/pstore type pstore (rw,seclabel,relatime)
/dev/block/dm-0 on /system type ext4 (ro,seclabel,relatime,data=ordered)
/dev/block/platform/mtk-msdc.0/11230000.msdc0/by-name/userdata on /data type ext4 (rw,seclabel,nosuid,nodev,noatime,discard,noauto_da_alloc,resuid=10010,data=ordered)
/dev/block/platform/mtk-msdc.0/11230000.msdc0/by-name/cache on /cache type ext4 (rw,seclabel,nosuid,nodev,noatime,discard,noauto_da_alloc,data=ordered)
/dev/block/platform/mtk-msdc.0/11230000.msdc0/by-name/protect1 on /protect_f type ext4 (rw,seclabel,nosuid,nodev,noatime,nodelalloc,noauto_da_alloc,commit=1,data=ordered)
/dev/block/platform/mtk-msdc.0/11230000.msdc0/by-name/protect2 on /protect_s type ext4 (rw,seclabel,nosuid,nodev,noatime,nodelalloc,noauto_da_alloc,commit=1,data=ordered)
/dev/block/platform/mtk-msdc.0/11230000.msdc0/by-name/nvdata on /nvdata type ext4 (rw,seclabel,nosuid,nodev,noatime,discard,noauto_da_alloc,data=ordered)
adb on /dev/usb-ffs/adb type functionfs (rw,relatime)
tmpfs on /storage type tmpfs (rw,seclabel,relatime,mode=755,gid=1000)
/dev/fuse on /mnt/runtime/default/emulated type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/fuse on /storage/emulated type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/fuse on /mnt/runtime/read/emulated type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/fuse on /mnt/runtime/write/emulated type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/block/vold/public:179,129 on /mnt/media_rw/XXXX-XXXX type vfat (rw,dirsync,nosuid,nodev,noexec,relatime,uid=1023,gid=1023,fmask=0007,dmask=0007,allow_utime=0020,codepage=437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro)
/dev/fuse on /mnt/runtime/default/XXXX-XXXX type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/fuse on /storage/XXXX-XXXX type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/fuse on /mnt/runtime/read/XXXX-XXXX type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/fuse on /mnt/runtime/write/XXXX-XXXX type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)

$ cat build.prop
# begin build properties
# autogenerated by buildinfo.sh
ro.build.id=NRD90M.07.009
ro.build.version.full=Blur_Version.25.071.009.panell_23_dl.retail.en.US
ro.skuid=07
ro.wind.version.inner=EMEA_A158L_K100_DS_V1.0B09
ro.wind.display.id=Moto C Plus-user 7.0 NRD90M.07.009 009
ro.mot.build.product.increment=NRD90M.07.009
ro.boot.hardware.sku=XT1723
ro.wind.fccid=IHDT56WE1
ro.build.display.id=NRD90M.07 009
ro.build.version.incremental=009
ro.build.wind.version=Plat:EMEA_A158L_K100_DS_V1.0B09Outer:End
ro.product.hardware=WKHMA1B2-2
ro.build.version.sdk=24
ro.build.version.preview_sdk=0
ro.build.version.codename=REL
ro.build.version.all_codenames=REL
ro.build.version.release=7.0
ro.build.version.security_patch=2017-04-05
ro.build.version.base_os=motorola/panell_23_dl/panell_dl:7.0/NRD90M.07.009/009:user/release-keys
ro.build.date=Fri May 12 01:11:56 CST 2017
ro.build.date.utc=1494522716
ro.build.type=user
ro.build.user=gujintao
ro.build.host=SOFT30-83
ro.build.tags=release-keys
ro.build.flavor=full_A158-user
ro.product.model=Moto C Plus
ro.product.brand=motorola
ro.product.name=panell_23_dl
ro.product.device=panell_dl
ro.product.board=MT6737
ro.product.emailsignature=
# 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=motorola
ro.product.locale=en-US
ro.wifi.channels=
ro.board.platform=mt6737m
# Do not try to parse description, fingerprint, or thumbprint
ro.build.description=panell_23_dl-user 7.0 NRD90M.07.009 release-keys
ro.build.fingerprint=motorola/panell_23_dl/panell_dl:7.0/NRD90M.07.009/009:user/release-keys
ro.build.characteristics=default
ro.wind.mtp_name=XT1723
# end build properties
ro.setting.dateformat=yyyy-MM-dd
ro.wind_default_stk_name=
#
# from device/ginreen/A158/system.prop
#
#
# system.prop for generic sdk
#

rild.libpath=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, 20101213 {
mediatek.wlan.ctia=0
# MTK, mtk03034 20101213}

#
wifi.tethering.interface=ap0
#

ro.opengles.version=196609
#ro.kernel.qemu=1
#ro.kernel.qemu.gles=0

wifi.direct.interface=p2p0
#dalvik.vm.heapgrowthlimit=128m
#dalvik.vm.heapsize=256m

# USB MTP WHQL
ro.sys.usb.mtp.whql.enable=0

# Power off opt in IPO
sys.ipo.pwrdncap=2

ro.sys.usb.storage.type=mtp

# USB BICR function
ro.sys.usb.bicr=no

# USB Charge only function
ro.sys.usb.charging.only=yes

# audio
ro.camera.sound.forced=0
ro.audio.silent=0

ro.zygote.preload.enable=0

# liuyangyao@wind-mobi.com add 2016/11/28 begin
# fix Feature N/A : hide navigatio bar
# temporary enables NAV bar (soft keys)
qemu.hw.mainkeys=1
# liuyangyao@wind-mobi.com add 2016/11/28 end

ro.kernel.zio=38,108,105,16
#ro.kernel.qemu=1
#ro.kernel.qemu.gles=0
#ro.boot.selinux=disable
## lcm add for A158----qiumeng@wind-mobi.com begin at 20161109
ro.sf.lcd_density=320
## lcm add for A158----qiumeng@wind-mobi.com end at 20161109
# performance
ro.mtk_perf_simple_start_win=1
ro.mtk_perf_fast_start_win=1
ro.mtk_perf_response_time=1

#
# ADDITIONAL_BUILD_PROPERTIES
#
ro.carrier=unknown
persist.sys.timezone=Asia/Shanghai
ro.config.notification_sound=Moto.mp3
ro.product.minmatch=7
ro.config.alarm_alert=Oxygen.ogg
ro.config.ringtone=Moto.mp3
ro.com.android.dateformat=yyyy-MM-dd
ro.mediatek.chip_ver=S01
ro.mediatek.platform=MT6737M
ro.telephony.sim.count=2
persist.radio.default.sim=0
ro.config.low_ram=true
ro.wind_def_runtime_test=1
ro.wind_def_sdn_on=1
ril.specific.sm_cause=0
bgw.current3gband=0
ril.external.md=0
ro.sf.hwrotation=0
persist.radio.fd.counter=150
persist.radio.fd.off.counter=50
persist.radio.fd.r8.counter=150
persist.radio.fd.off.r8.counter=50
drm.service.enabled=true
fmradio.driver.enable=1
ril.first.md=1
ril.flightmode.poweroffMD=0
ril.telephony.mode=0
dalvik.vm.mtk-stack-trace-file=/data/anr/mtk_traces.txt
mediatek.wlan.chip=CONSYS_MT6735
mediatek.wlan.module.postfix=_consys_mt6735
ril.radiooff.poweroffMD=1
ro.frp.pst=/dev/block/platform/mtk-msdc.0/11230000.msdc0/by-name/frp
ro.product.first_api_level=24
ro.mtk_protocol1_rat_config=Lf/Lt/W/G
ro.mediatek.version.branch=alps-mp-n0.mp1
ro.mediatek.version.release=alps-mp-n0.mp1-V1.0.2_gr6737m.35.le.n_P61
ro.mediatek.version.sdk=4
ro.setupwizard.mode=OPTIONAL
ro.com.google.gmsversion=7.0_r7
ro.num_md_protocol=2
persist.radio.multisim.config=dsds
ro.mtk_besloudness_support=1
ro.mtk_wapi_support=1
ro.mtk_bt_support=1
ro.mtk_wappush_support=1
ro.mtk_agps_app=1
ro.mtk_audio_tuning_tool_ver=V1
ro.mtk_wlan_support=1
ro.mtk_ipo_support=1
ro.mtk_gps_support=1
ro.mtk_omacp_support=1
ro.mtk_search_db_support=1
ro.mtk_dialer_search_support=1
ro.mtk_dhcpv6c_wifi=1
ro.have_aacencode_feature=1
ro.mtk_fd_support=1
ro.mtk_oma_drm_support=1
ro.mtk_widevine_drm_l3_support=1
ro.mtk_eap_sim_aka=1
ro.mtk_fm_recording_support=1
ro.mtk_send_rr_support=1
ro.mtk_emmc_support=1
ro.mtk_tetheringipv6_support=1
ro.telephony.default_network=9,9
ro.mtk_shared_sdcard=1
ro.mtk_enable_md1=1
ro.mtk_aal_support=1
ro.mtk_pq_support=2
ro.mtk_pq_color_mode=1
ro.mtk_miravision_support=1
ro.mtk_wifi_mcc_support=1
ro.mtk_radiooff_power_off_md=1
ro.mtk_bip_scws=1
ro.mtk_world_phone_policy=0
ro.mtk_perfservice_support=1
ro.mtk_cam_mfb_support=0
ro.mtk_lte_support=1
ro.mtk_cam_cfb=1
ro.sim_refresh_reset_by_modem=1
ro.mtk_external_sim_only_slots=0
ro.mtk_bg_power_saving_ui=1
ro.have_aee_feature=1
ro.sim_me_lock_mode=0
ro.mtk_dual_mic_support=0
ro.mtk_is_tablet=0
persist.mtk_nlp_switch_support=1
persist.mtk_ims_support=1
ro.mtk_multiple_ims_support=1
persist.mtk_volte_support=1
persist.mtk.volte.enable=1
persist.mtk_vilte_support=1
ro.mtk_vilte_ut_support=0
wfd.dummy.enable=1
wfd.iframesize.level=0
ro.mediatek.project.path=device/ginreen/A158
persist.mtk.wcn.combo.chipid=-1
persist.mtk.wcn.patch.version=-1
persist.mtk.wcn.dynamic.dump=0
service.wcn.driver.ready=no
service.wcn.coredump.mode=0
persist.mtk.connsys.poweron.ctl=0
ro.com.android.mobiledata=true
persist.radio.mobile.data=0,0
persist.meta.dumpdata=0
dalvik.vm.heapgrowthlimit=128m
dalvik.vm.heapsize=256m
persist.radio.mtk_dsbp_support=1
persist.mtk_dynamic_ims_switch=1
persist.radio.mtk_ps3_rat=G
ro.boot.opt_c2k_lte_mode=0
ro.boot.opt_md1_support=5
ro.boot.opt_lte_support=1
persist.log.tag.AT=I
persist.log.tag.RILMUXD=I
persist.log.tag.RILC-MTK=I
persist.log.tag.RILC=I
persist.log.tag.RfxMainThread=I
persist.log.tag.RfxRoot=I
persist.log.tag.RfxRilAdapter=I
persist.log.tag.RfxController=I
persist.log.tag.RILC-RP=I
persist.log.tag.RIL-DATA=I
ro.boot.opt_using_default=1
mtk.vdec.waitkeyframeforplay=1
ro.sys.sdcardfs=1
persist.runningbooster.support=1
persist.runningbooster.upgrade=1
ro.media.maxmem=500000000
ro.wind_timeformat_is_24=0
ro.wind_timeformat_is_12=0
ro.wind_config_wifi_name=1
ro.wind_def_sml_support=1
ro.wind_def_sml_dualsim=1
ro.wind_unlock_digits=16
ro.wind_show_stk_name_from_sim=0
ro.wind.enable_adb_user_build=1
ro.wind_country_code_support=1
ro.wind_def_mirror_support=1
ro.com.google.apphider=on
ro.com.google.clientidbase=android-motorola
ro.com.google.clientidbase.ms=android-motorola
ro.com.google.clientidbase.yt=android-motorola
ro.com.google.clientidbase.am=android-motorola
ro.com.google.clientidbase.gmm=android-motorola
ro.wind_def_signal_five=0
ro.wind_battery_now_current=1
ro.wind_gensor_shake_control=1
ro.wind_camera_fool_proof=1
ro.wind_def_pro_a158=1
ro.wind_def_optr_a158_emead=1
ro.wind_def_optr_a158_emead1g=1
ro.wind_def_optr_a158_emeas=0
ro.wind_def_optr_a158_apd=0
ro.wind_def_optr_a158_lad=0
ro.wind_def_optr_a158_las=0
ro.wind_def_optr_a158_lbd=0
ro.wind_def_optr_a158_lbd_pa=0
ro.wind_sar_sensor_test=0
drm.forwardlock.only=true
ro.wind_def_language_fromsim=1
ro.wind_disable_sddialog=1
ro.wind_lbd_factory_version=0
ro.wind_default_apn_deletable=1
persist.sys.dalvik.vm.lib.2=libart.so
dalvik.vm.isa.arm.variant=cortex-a53
dalvik.vm.isa.arm.features=default
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt
ro.expect.recovery_id=0x2d0b3d1909c7aae3c5a8dd61756413dc0fa95443000000000000000000000000

$ cat /proc/filesystems
nodev	sysfs
nodev	rootfs
nodev	ramfs
nodev	bdev
nodev	proc
nodev	cgroup
nodev	tmpfs
nodev	debugfs
nodev	sockfs
nodev	pipefs
nodev	configfs
nodev	devpts
ext3
ext2
ext4
vfat
msdos
iso9660
fuseblk
nodev	fuse
nodev	fusectl
nodev	pstore
nodev	selinuxfs
nodev	mtd_inodefs
nodev	functionfs

cat /proc/partitions
major minor #blocks name

254 0 474596 zram0
179 0 15267840 mmcblk0
179 1 3072 mmcblk0p1
179 2 5120 mmcblk0p2
179 3 10240 mmcblk0p3
179 4 10240 mmcblk0p4
179 5 512 mmcblk0p5
179 6 512 mmcblk0p6
179 7 16384 mmcblk0p7
179 8 16384 mmcblk0p8
179 9 8192 mmcblk0p9
179 10 10240 mmcblk0p10
179 11 512 mmcblk0p11
179 12 2048 mmcblk0p12
179 13 6144 mmcblk0p13
179 14 8192 mmcblk0p14
179 15 5120 mmcblk0p15
179 16 5120 mmcblk0p16
179 17 1024 mmcblk0p17
179 18 32768 mmcblk0p18
179 19 37888 mmcblk0p19
179 20 2768896 mmcblk0p20
179 21 409600 mmcblk0p21
179 22 11848192 mmcblk0p22
179 23 44032 mmcblk0p23
179 24 16384 mmcblk0p24
179 96 4096 mmcblk0rpmb
179 64 4096 mmcblk0boot1
179 32 4096 mmcblk0boot0
179 128 61071360 mmcblk1
179 129 61070336 mmcblk1p1
253 0 2725672 dm-0

$ uname -a
Linux localhost 3.18.35+ #1 SMP PREEMPT Fri May 12 01:32:41 CST 2017 armv7l

BTW mmcblk1 is 64GB sdcard formated in the same phone as portable (working normaly)