[Google Pixel 4 XL Guides, News, & Discussion] fuadhdmini:
this is what I get when I did it.

C:\Users\HCLite\Pictures\EfsTools-0.13-modded>EfsTools.exe efsInfo

Use serial port 'COM4'

Exception has been thrown by the target of an invocation.

Version: 1, MaxDirectories: 50, MapPathnameLength: 1024, MaxFileSize: 0, MaxFilenameLength: 768, MaxMounts: 36, MaxSymlinkDepth: 0

Exception has been thrown by the target of an invocation.

C:\Users\HCLite\Pictures\EfsTools-0.13-modded>EfsTools.exe writeFile -i mcfg_autoselect_by_uim -o /nv/item_files/mcfg/mcfg_autoselect_by_uim

Use serial port 'COM4'

Exception has been thrown by the target of an invocation.

Exception has been thrown by the target of an invocation.

C:\Users\HCLite\Pictures\EfsTools-0.13-modded>EfsTools.exe writeFile -i mcfg_autoselect_by_uim -o /nv/item_files/mcfg/mcfg_autoselect_by_uim -s 1

Use serial port 'COM4'

Exception has been thrown by the target of an invocation.

Exception has been thrown by the target of an invocation.

C:\Users\HCLite\Pictures\EfsTools-0.13-modded>EfsTools.exe uploadDirectory -i umobile.mbn -o / -v

Extracting MBN file 'umobile.mbn' ...

ItemFile:/nv/item_files/ims/IMSVoiceDynamicConfig

ItemFile:/nv/item_files/ims/qp_ims_qos_precondition

ItemFile:/nv/item_files/ims/IMSVideoDynamicConfig

ItemFile:/nv/item_files/ims/IMSEmerDynamicConfig

ItemFile:/nv/item_files/ims/IMSRTPDynamicConfig

ItemFile:/nv/item_files/ims/IMSCodecDynamicConfig

ItemFile:/nv/item_files/ims/IMSTestDynamicConfig

ItemFile:/nv/item_files/ims/IMSWifiDynamicConfig

ItemFile:/ims/imshandoverconfig

ItemFile:/nv/item_files/ims/qp_ims_plani_config

ItemFile:/nv/item_files/ims/ims_sip_config

ItemFile:/nv/item_files/ims/qp_ims_cap_discovery_config

ItemFile:/nv/item_files/ims/qp_ims_rcs_client_config

ItemFile:/nv/item_files/ims/DANPrivateSettings

ItemFile:/nv/item_files/ims/qp_ims_xcap_private_config_item

ItemFile:/nv/item_files/ims/ims_user_agent

ItemFile:/nv/item_files/ims/IMS_enable

ItemFile:/nv/item_files/ims/ims_operation_mode

ItemFile:/nv/item_files/ims/qp_ims_service_enablement_config

ItemFile:/nv/item_files/ims/qp_ims_common_config

ItemFile:/nv/item_files/ims/qp_ims_reg_config_db

ItemFile:/nv/item_files/ims/RegistrationConfiguration

ItemFile:/nv/item_files/ims/SMSConfiguration

ItemFile:/nv/item_files/ims/DANConfiguration

ItemFile:/nv/item_files/ims/qp_ims_xcap_common_config

ItemFile:/nv/item_files/ims/qp_ims_ut_config_item

ItemFile:/nv/item_files/data/wlan_config/wlan_offload_config

ItemFile:/data/iwlan_s2b_config.xml

ItemFile:/data/default_andsf.xml

ItemFile:/data/andsf.xml

ItemFile:/data/ursp/preconfigured_ursp_policy.xml

ItemFile:/data/ds_andsf_config.txt

ItemFile:/data/ds_dsd_attach_profile.txt

ItemFile:/Data_Profiles/Profile1

ItemFile:/Data_Profiles/Profile2

ItemFile:/Data_Profiles/Profile3

ItemFile:/Data_Profiles/Profile4

ItemFile:/nv/item_files/modem/data/3gpp/dsmgr/emergency_apn_type

ItemFile:/nv/item_files/modem/geran/grr/g2l_blind_redir_control

Nv:01918

Nv:01920

ItemFile:/nv/item_files/gps/cgps/me/gnss_config

ItemFile:/nv/item_files/gps/cgps/sm/gnss_lpp_enable

ItemFile:/nv/item_files/modem/lte/rrc/cap/diff_fdd_tdd_fgi_enable

ItemFile:/nv/item_files/modem/lte/rrc/cap/disable_cap_ies

ItemFile:/nv/reg_files/modem/lte/rrc/csp/pref_freq_list

Nv:00071

ItemFile:/nv/item_files/modem/mmode/sms_only

ItemFile:/nv/item_files/modem/mmode/ue_usage_setting

ItemFile:/nv/item_files/modem/mmode/lte_disable_duration

ItemFile:/nv/item_files/modem/mmode/lte_emerg_redial

ItemFile:/nv/item_files/modem/mmode/sms_domain_pref

ItemFile:/nv/item_files/modem/mmode/sms_mandatory

ItemFile:/nv/item_files/modem/mmode/voice_domain_pref

ItemFile:/nv/item_files/modem/mmode/ue_based_cw

ItemFile:/nv/item_files/modem/nas/emm_nas_nv_items

ItemFile:/nv/item_files/modem/mmode/custom_emerg_info

ItemFile:/nv/item_files/modem/mmode/mid_call_srvcc_info

ItemFile:/nv/item_files/modem/mmode/get_net_auto_mode

ItemFile:/nv/item_files/modem/nas/lte_nas_ignore_mt_csfb_during_volte_call

ItemFile:/nv/item_files/modem/mmode/lte_emerg_redial

ItemFile:/nv/item_files/modem/nas/suppress_add_update_param

Nv:00848

Nv:00849

Nv:00909

Nv:01016

Nv:01017

Nv:03006

Nv:03532

Nv:03533

Nv:06850

Nv:00010

Nv:00562

Nv:06830

Nv:06831

ItemFile:/sd/rat_acq_order

ItemFile:/nv/item_files/modem/mmode/supplement_service_domain_pref

ItemFile:/nv/item_files/modem/mmode/wifi_config

ItemFile:/nv/item_files/modem/sms/mmgsdi_refresh_vote_ok

Nv:01030

Nv:01031

ItemFile:/policyman/carrier_policy.xml

Nv:00855

ItemFile:/nv/item_files/modem/uim/mmgsdi/override_opl_pnn_lookup_for_non_rplmn

Nv:00880

Nv:00881

Nv:00882

ItemFile:/nv/item_files/wcdma/l1/wl1_nb_rejection_nv

Nv:03851

Nv:04210

ItemFile:/nv/item_files/wcdma/rrc/wcdma_rrc_fast_return_to_lte_after_csfb

ItemFile:/nv/item_files/wcdma/rrc/wcdma_rrc_fast_return_to_lte_after_csfb_timer

Use serial port 'COM4'

Exception has been thrown by the target of an invocation.

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\data' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\data\ursp' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\Data_Profiles' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\ims' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\data' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\data\wlan_config' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\gps' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\gps\cgps' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\gps\cgps\me' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\gps\cgps\sm' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\ims' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\modem' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\modem\data' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\modem\data\3gpp' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\modem\data\3gpp\dsmgr' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\modem\geran' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\modem\geran\grr' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\modem\lte' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\modem\lte\rrc' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\modem\lte\rrc\cap' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\modem\mmode' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\modem\nas' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\modem\sms' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\modem\uim' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\modem\uim\mmgsdi' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\wcdma' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\wcdma\l1' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\item_files\wcdma\rrc' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\reg_files' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\reg_files\modem' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\reg_files\modem\lte' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\reg_files\modem\lte\rrc' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\nv\reg_files\modem\lte\rrc\csp' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\policyman' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\ha2vjzga.tja\sd' ...

Uploading NV items ...

Exception has been thrown by the target of an invocation.

C:\Users\HCLite\Pictures\EfsTools-0.13-modded>EfsTools.exe uploadDirectory -i umobile.mbn -o / -s 1

Extracting MBN file 'umobile.mbn' ...

ItemFile:/nv/item_files/ims/IMSVoiceDynamicConfig

ItemFile:/nv/item_files/ims/qp_ims_qos_precondition

ItemFile:/nv/item_files/ims/IMSVideoDynamicConfig

ItemFile:/nv/item_files/ims/IMSEmerDynamicConfig

ItemFile:/nv/item_files/ims/IMSRTPDynamicConfig

ItemFile:/nv/item_files/ims/IMSCodecDynamicConfig

ItemFile:/nv/item_files/ims/IMSTestDynamicConfig

ItemFile:/nv/item_files/ims/IMSWifiDynamicConfig

ItemFile:/ims/imshandoverconfig

ItemFile:/nv/item_files/ims/qp_ims_plani_config

ItemFile:/nv/item_files/ims/ims_sip_config

ItemFile:/nv/item_files/ims/qp_ims_cap_discovery_config

ItemFile:/nv/item_files/ims/qp_ims_rcs_client_config

ItemFile:/nv/item_files/ims/DANPrivateSettings

ItemFile:/nv/item_files/ims/qp_ims_xcap_private_config_item

ItemFile:/nv/item_files/ims/ims_user_agent

ItemFile:/nv/item_files/ims/IMS_enable

ItemFile:/nv/item_files/ims/ims_operation_mode

ItemFile:/nv/item_files/ims/qp_ims_service_enablement_config

ItemFile:/nv/item_files/ims/qp_ims_common_config

ItemFile:/nv/item_files/ims/qp_ims_reg_config_db

ItemFile:/nv/item_files/ims/RegistrationConfiguration

ItemFile:/nv/item_files/ims/SMSConfiguration

ItemFile:/nv/item_files/ims/DANConfiguration

ItemFile:/nv/item_files/ims/qp_ims_xcap_common_config

ItemFile:/nv/item_files/ims/qp_ims_ut_config_item

ItemFile:/nv/item_files/data/wlan_config/wlan_offload_config

ItemFile:/data/iwlan_s2b_config.xml

ItemFile:/data/default_andsf.xml

ItemFile:/data/andsf.xml

ItemFile:/data/ursp/preconfigured_ursp_policy.xml

ItemFile:/data/ds_andsf_config.txt

ItemFile:/data/ds_dsd_attach_profile.txt

ItemFile:/Data_Profiles/Profile1

ItemFile:/Data_Profiles/Profile2

ItemFile:/Data_Profiles/Profile3

ItemFile:/Data_Profiles/Profile4

ItemFile:/nv/item_files/modem/data/3gpp/dsmgr/emergency_apn_type

ItemFile:/nv/item_files/modem/geran/grr/g2l_blind_redir_control

Nv:01918

Nv:01920

ItemFile:/nv/item_files/gps/cgps/me/gnss_config

ItemFile:/nv/item_files/gps/cgps/sm/gnss_lpp_enable

ItemFile:/nv/item_files/modem/lte/rrc/cap/diff_fdd_tdd_fgi_enable

ItemFile:/nv/item_files/modem/lte/rrc/cap/disable_cap_ies

ItemFile:/nv/reg_files/modem/lte/rrc/csp/pref_freq_list

Nv:00071

ItemFile:/nv/item_files/modem/mmode/sms_only

ItemFile:/nv/item_files/modem/mmode/ue_usage_setting

ItemFile:/nv/item_files/modem/mmode/lte_disable_duration

ItemFile:/nv/item_files/modem/mmode/lte_emerg_redial

ItemFile:/nv/item_files/modem/mmode/sms_domain_pref

ItemFile:/nv/item_files/modem/mmode/sms_mandatory

ItemFile:/nv/item_files/modem/mmode/voice_domain_pref

ItemFile:/nv/item_files/modem/mmode/ue_based_cw

ItemFile:/nv/item_files/modem/nas/emm_nas_nv_items

ItemFile:/nv/item_files/modem/mmode/custom_emerg_info

ItemFile:/nv/item_files/modem/mmode/mid_call_srvcc_info

ItemFile:/nv/item_files/modem/mmode/get_net_auto_mode

ItemFile:/nv/item_files/modem/nas/lte_nas_ignore_mt_csfb_during_volte_call

ItemFile:/nv/item_files/modem/mmode/lte_emerg_redial

ItemFile:/nv/item_files/modem/nas/suppress_add_update_param

Nv:00848

Nv:00849

Nv:00909

Nv:01016

Nv:01017

Nv:03006

Nv:03532

Nv:03533

Nv:06850

Nv:00010

Nv:00562

Nv:06830

Nv:06831

ItemFile:/sd/rat_acq_order

ItemFile:/nv/item_files/modem/mmode/supplement_service_domain_pref

ItemFile:/nv/item_files/modem/mmode/wifi_config

ItemFile:/nv/item_files/modem/sms/mmgsdi_refresh_vote_ok

Nv:01030

Nv:01031

ItemFile:/policyman/carrier_policy.xml

Nv:00855

ItemFile:/nv/item_files/modem/uim/mmgsdi/override_opl_pnn_lookup_for_non_rplmn

Nv:00880

Nv:00881

Nv:00882

ItemFile:/nv/item_files/wcdma/l1/wl1_nb_rejection_nv

Nv:03851

Nv:04210

ItemFile:/nv/item_files/wcdma/rrc/wcdma_rrc_fast_return_to_lte_after_csfb

ItemFile:/nv/item_files/wcdma/rrc/wcdma_rrc_fast_return_to_lte_after_csfb_timer

Use serial port 'COM4'

Exception has been thrown by the target of an invocation.

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\data' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\data\ursp' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\Data_Profiles' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\ims' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\data' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\data\wlan_config' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\gps' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\gps\cgps' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\gps\cgps\me' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\gps\cgps\sm' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\ims' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\modem' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\modem\data' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\modem\data\3gpp' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\modem\data\3gpp\dsmgr' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\modem\geran' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\modem\geran\grr' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\modem\lte' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\modem\lte\rrc' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\modem\lte\rrc\cap' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\modem\mmode' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\modem\nas' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\modem\sms' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\modem\uim' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\modem\uim\mmgsdi' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\wcdma' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\wcdma\l1' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\item_files\wcdma\rrc' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\reg_files' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\reg_files\modem' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\reg_files\modem\lte' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\reg_files\modem\lte\rrc' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\nv\reg_files\modem\lte\rrc\csp' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\policyman' ...

Processing 'C:\Users\HCLite\AppData\Local\Temp\EfsTools\sb5lvnep.bqo\sd' ...

Exception has been thrown by the target of an invocation.