Enable Dual SIM+ MicroSD on Android Pie [47.2.A.4.45] - Sony Xperia XZ1 Guides, News, & Discussion

Hi
There were some changes in Android Pie vs Android Oreo when it comes to enabling Dual Sim plus SD Card
in Android 8 we could simply edit the /system/build.prop with persist.radio.apm_sim_not_pwdn = 1 after assisgning permissions chmod 644 /system/build.prop
In android 9 we have to edit the /system/vendor/build.prop and chmod 644 /system/vendor/build/prop.
Credits go to this original post https://forum.xda-developers.com/xperia-x/how-to/how-to-enable-dual-sim-memory-card-t3664408

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How do you use both dual SIM and SD card? Isn't the slot for either or, not for both at the same time?
Is it possible to but both a second SIM card AND a SD card in?

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pergoteborg said:
How do you use both dual SIM and SD card? Isn't the slot for either or, not for both at the same time?
Is it possible to but both a second SIM card AND a SD card in?
Click to expand...
Click to collapse
I got one of these and used double sided tape to stick the adapter onto the sdcard slot
US $0.96 37%OFF | Hybrid Double Dual SIM Card Micro SD Adapter for Android Extender 2 Nano Micro SIM Adapter for XIAOMI REDMI NOTE 3 4 3s PRO Max
https://s.click.aliexpress.com/e/cGb1UpJ6
Of course there goes your water proofing but you could always go single sim if you are headed anywhere wet right?

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Hello, I'm very interested in doing that on my samsung S8. My adaptor stops working after android 9.0 update...
How do you edit this file please? Do you neee to be rooted?
Thks
Envoyé de mon SM-G950F en utilisant Tapatalk

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bubu77 said:
Hello, I'm very interested in doing that on my samsung S8. My adaptor stops working after android 9.0 update...
How do you edit this file please? Do you neee to be rooted?
Thks
Envoyé de mon SM-G950F en utilisant Tapatalk
Click to expand...
Click to collapse
Hi is your device rooted? In general you can find this file in /root/system/vendor/build.prop or /root/system/build.prop
The text is similar across models and brands but as I do not have a Samsung S8 I am unable to provide more confirmed instructions

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Thks... I'm not rooted....
Envoyé de mon SM-G950F en utilisant Tapatalk

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leonaheidern said:
Hi is your device rooted? In general you can find this file in /root/system/vendor/build.prop or /root/system/build.prop
The text is similar across models and brands but as I do not have a Samsung S8 I am unable to provide more confirmed instructions
Click to expand...
Click to collapse
Hi! I have a Note 8 N950F , and buid.prop contains:
# begin build properties
# autogenerated by buildinfo.sh
ro.build.id=PPR1.180610.011
ro.build.display.id=PPR1.180610.011.SuperFAST9_XDAVN_STABLE
ro.build.version.incremental=N950FXXS7DSH1
ro.build.version.sdk=28
ro.build.version.preview_sdk=0
ro.build.version.codename=REL
ro.build.version.all_codenames=REL
ro.build.version.release=9
ro.build.version.security_patch=2019-08-01
ro.build.version.base_os=samsung/greatltexx/greatlte:9/PPR1.180610.011/N950FXXU6DSF6:user/release-keys
ro.build.version.security_index=1
ro.build.version.min_supported_target_sdk=17
ro.build.date=Wed Jul 31 18:57:15 KST 2019
ro.build.date.utc=1564567035
ro.build.type=user
ro.build.user=dpi
ro.build.host=21HH1D24
ro.build.tags=release-keys
ro.build.flavor=greatltexx-user
ro.product.brand=samsung
# ro.build.product is obsolete; use ro.product.device
ro.build.product=greatlte
ro.product.name=greatltexx
ro.product.device=greatlte
# ro.product.cpu.abi and ro.product.cpu.abi2 are obsolete,
# use ro.product.cpu.abilist instead.
ro.product.cpu.abi=arm64-v8a
ro.product.cpu.abilist=arm64-v8a,armeabi-v7a,armeabi
ro.product.cpu.abilist32=armeabi-v7a,armeabi
ro.product.cpu.abilist64=arm64-v8a
ro.product.manufacturer=samsung
ro.product.locale=en-GB
ro.wifi.channels=
# Do not try to parse description, fingerprint, or thumbprint
ro.build.description=greatltexx-user 9 PPR1.180610.011 N950FXXS7DSH1 release-keys
ro.build.fingerprint=samsung/greatltexx/greatlte:9/PPR1.180610.011/N950FXXS7DSH1:user/release-keys
ro.build.characteristics=phone
# Samsung Specific Properties
ro.build.PDA=N950FXXS7DSH1
ro.build.official.release=true
ro.build.2ndbrand=false
ro.config.rm_preload_enabled=1
ro.build.changelist=16168780
ro.product_ship=true
ro.hardware.chipname=exynos8895
# end build properties
#
# from device/samsung/greatlte/system.prop
#
#
# system.prop for universal8895
#
ro.arch=exynos8895
ro.kernel.qemu=0
ro.kernel.qemu.gles=0
persist.demo.hdmirotationlock=false
# read DS/SS property
ro.vendor.multisim.simslotcount=2
persist.radio.multisim.config=2
#Enable S.LSI USB settings
dev.usbsetting.embedded=on
#RILD debug level setting
ro.debug_level=0x494d
#Enable csc for vendor image
ro.vendor.cscsupported=1
#Phone early start enable flag
sys.config.phone_start_early=true
#
# ADDITIONAL_BUILD_PROPERTIES
#
dalvik.vm.heapstartsize=8m
dalvik.vm.heapgrowthlimit=256m
dalvik.vm.heapsize=512m
dalvik.vm.heaptargetutilization=0.75
dalvik.vm.heapminfree=2m
dalvik.vm.heapmaxfree=8m
ro.opengles.version=196610
debug.slsi_platform=1
debug.hwc.winupdate=1
debug.sf.disable_backpressure=1
ro.hdcp2.rx=tz
keyguard.no_require_sim=true
ro.carrier=unknown
vendor.sec.rild.libpath=/vendor/lib64/libsec-ril.so
vendor.sec.rild.libpath2=/vendor/lib64/libsec-ril-dsds.so
ro.smps.enable=true
ro.dalvik.vm.native.bridge=0
security.ASKS.policy_version=000000
security.mdf.result=None
security.mdf=None
ro.security.mdf.ux=Enabled
ro.security.mdf.ver=3.1
ro.security.wlan.ver=1.0
ro.security.wlan.release=2
ro.security.mdf.release=4
ro.security.fips.ux=Enabled
ro.security.fips_bssl.ver=1.3
ro.security.fips_skc.ver=1.8
ro.security.fips_scrypto.ver=2.0
ro.security.fips_fmp.ver=1.2
ro.vendor.cscsupported=1
ro.config.ringtone=Over_the_Horizon.ogg
ro.config.media_sound=Media_preview_Touch_the_light.ogg
ro.build.scafe.version=2019A
ro.error.receiver.default=com.samsung.receiver.error
sys.config.activelaunch_enable=true
ro.multisim.simslotcount=2
ro.config.dha_cached_min=6
ro.config.dha_cached_max=22
ro.config.dha_empty_min=8
ro.config.dha_empty_init=24
ro.config.dha_empty_max=24
ro.cfg.dha_empty_max=30
ro.cfg.dha_empty_init=30
ro.config.dha_pwhitelist_enable=1
ro.config.dha_pwhl_key=1536
ro.config.fall_prevent_enable=true
ro.config.fha_enable=true
ro.cfg.enable_userspace_lmk=true
ro.cfg.kill_heaviest_task=true
ro.cfg.custom_sw_limit=275
ro.cfg.custom_tm_limit=1000
ro.cfg.enable_reentry_lmk=true
security.mdpp.mass=skmm
ro.hardware.keystore=mdfpp
ro.security.keystore.keytype=sak
ro.security.vpnpp.ver=2.1
ro.security.vpnpp.release=2.0
sys.use_fifo_ui=0
persist.sys.tcpOptimizer.on=1
sys.config.amp_perf_enable=true
sys.config.mars_freecess=true
ro.config.systemaudiodebug=abox&codecdsp
ro.gfx.driver.0=com.samsung.gpudriver.N8MaliG71_90
ro.hardware.egl=mali
ro.zygote.disable_gl_preload=true
ro.treble.enabled=false
ro.build.version.sem=2801
ro.build.version.sep=100000
ro.build.selinux=1
persist.sys.dalvik.vm.lib.2=libart.so
dalvik.vm.isa.arm64.variant=cortex-a53
dalvik.vm.isa.arm64.features=default
dalvik.vm.isa.arm.variant=cortex-a53
dalvik.vm.isa.arm.features=default
ro.config.knox=v30
ro.config.timaversion=3.0
ro.config.timaversion_info=Knox3.2_..
ro.config.iccc_version=iccc_disabled
ro.proca.version=NONE
ro.kernel.qemu=0
iwc.arg1=0
iwc.arg2=0
iwc.arg3=0
net.bt.name=Android
dalvik.vm.stack-trace-dir=/data/anr
ro.expect.recovery_id=0xc581ab20fa63ff283eb84607aabed2d1c0fef57b000000000000000000000000
ro.frp.pst=
ro.security.vaultkeeper.feature=0
ro.config.tima=0
ro.config.dmverity=false
ro.config.kap=false
persist.sys.usb.config=mtp,adb
persist.service.adb.enable=1
persist.service.debuggable=1
wlan.wfd.hdcp=disable
ro.opa.eligible_device=true
ro.config.hw_quickpoweron=true
ro.config.hw_fast_dormancy=1
ro.config.hw_power_saving=1
pm.sleep_mode=1
net.rmnet0.dns1=8.8.8.8
net.rmnet0.dns2=8.8.4.4
net.dns1=8.8.8.8
net.dns2=8.8.4.4
wifi.supplicant_scan_interval=180
ro.ril.enable.amr.wideband=1
ro.telephony.call_ring.delay=0
ro.lge.proximity.delay=15
mot.proximity.delay=15
ro.config.vc_call_steps=20
debug.performance.tuning=1
ro.kernel.android.checkjni=0
ro.kernel.checkjni=0
ro.config.nocheckin=1
persist.sys.purgeable_assets=1
ro.media.enc.jpeg.quality=100
ro.media.dec.jpeg.memcap=8000000
ro.media.enc.hprof.vid.bps=8000000
ro.media.enc.hprof.vid.fps=65
fw.max_users=30
fw.show_multiuserui=1
fw.show_hidden_users=1
fw.power_user_switcher=1
boot.fps=25
shutdown.fps=25
# device specific props - try not to touch them
ro.product.model=SM-N950F
ro.patcher.device=greatlte
ro.gfx.driver.0=com.samsung.gpudriver.N8MaliG71_90
ro.sf.lcd_density=420
ro.sf.init.lcd_density=560
Th text is not so similar, can you halp me by telling me what should i change?
Thank you!