[Samsung Gear S3] adfree:
Oh, not realized that netOdin and WiFi Upload Mode creates Log Files in CSA partition...

sh-3.2# cd /csa/wd
sh-3.2# ls -a1l
total 2805
drwxrwsr-x 2 root system_share 1024 Oct 16 08:18 .
drwxrwsr-x 15 root system_share 1024 Sep 4 07:43 ..
-rw-r--r-- 1 root system_share 74276 Oct 15 06:43 dmesg.log
-rw-r--r-- 1 root system_share 268681 Oct 15 06:41 dmesg.log.old
-rw------- 1 root system_share 66908 Oct 16 08:18 hostapd.log
-rw-rw-r-- 1 root system_share 203464 Oct 15 06:44 wd_log
-rw-rw-r-- 1 root system_share 272102 Sep 4 07:54 wd_log.old
-rw-r--r-- 1 root system_share 3411 Oct 16 08:18 wifi_mf.log
-rw-r--r-- 1 root system_share 1604439 Oct 15 06:44 wifi_mf.log.old
-rw------- 1 root system_share 3313 Oct 15 06:44 wpa_supplicant.log
-rw-r--r-- 1 root system_share 76942 Oct 15 06:43 wpa_supplicant.log.0
-rw-r--r-- 1 root system_share 262187 Oct 15 06:40 wpa_supplicant.log.1
-rw------- 1 root system_share 3701 Sep 10 05:42 wpa_supplicant.log.2
-rw-r--r-- 1 root system_share 2341 Oct 16 08:18 wu_log
sh-3.2# cat wu_log

wd_util_log_init
2019-10-15 23:18:28 [I] [1214] <wireless-tools v1.4.3>: "192.xxx.0.xxx:xxxx"
2019-10-15 23:18:28 [I] wd_ui_init
2019-10-15 23:18:28 [I] wd_ui_tdm_init: Output count: 1
2019-10-15 23:18:28 [I] wd_ui_tdm_init: output_type: 0x10, conn_status: 1
2019-10-15 23:18:28 [I] wd_ui_tdm_init: [360x360] w:360 h:360, cnt: 1
2019-10-15 23:18:28 [I] wd_ui_tdm_init: Layer count: 3
2019-10-15 23:18:28 [I] wd_ui_tdm_init: [0] layer_caps: 0x14
2019-10-15 23:18:28 [I] wd_ui_tdm_init: [1] layer_caps: 0x12
2019-10-15 23:18:28 [I] wd_ui_tdm_init: [2] layer_caps: 0x14
2019-10-15 23:18:28 [I] wd_ui_tdm_init: done
2019-10-15 23:18:28 [I] wd_ui_dpms_set: onoff: 0
2019-10-15 23:18:28 [I] wd_ui_dpms_set: onoff: 1
2019-10-15 23:18:28 [I] wd_ui_init: done
2019-10-15 23:18:28 [I] wt_debug_init: done
2019-10-15 23:18:28 [I] wd_sys_wake_lock: Set: 1
2019-10-15 23:18:28 [I] wd_sys_adjust_cpufreq_threshold: Set: 50%
2019-10-15 23:18:28 [I] wd_sys_set_busfreq: Set: 400000
2019-10-15 23:18:28 [I] wd_sys_adjust_tcp_syn_retries: Set: 2
2019-10-15 23:18:28 [I] wd_pit_init: 0x22
2019-10-15 23:18:28 [I] wd_pit_init: Magic: 0x12349876
2019-10-15 23:18:28 [I] wd_pit_init: Count: 18
2019-10-15 23:18:28 [I] wd_pit_reserved_init: TUP: 0x2000 ~ 0x12000
2019-10-15 23:18:28 [I] wu_rdx_init
2019-10-15 23:18:28 [I] mkdir -p /mnt/opt
2019-10-15 23:18:28 [I] mount /dev/mmcblk0p12 /mnt/opt
2019-10-15 23:18:28 [I] tar cf /tmp/var_log.tar -C /mnt/opt/var log
2019-10-15 23:18:29 [I] wu_rdx_add_dump_entry: idx: 0
2019-10-15 23:18:29 [I] wu_rdx_add_dump_entry: [0] "/tmp/var_log.tar" (32194560 byte)
2019-10-15 23:18:29 [I] mkdir -p /mnt/usr
2019-10-15 23:18:29 [I] mount /dev/mmcblk0p13 /mnt/usr
2019-10-15 23:18:29 [I] wu_rdx_generate_log: "/mnt/usr/media/SLP_debug" does not exist
2019-10-15 23:18:29 [I] wu_rdx_init: dump entry count: 1
2019-10-15 23:18:29 [I] wu_rdx_init: [0] "var_log.tar" valid: 1 (32194560 byte)
2019-10-15 23:18:29 [I] wd_cm_main: Connection manager start: 1
2019-10-15 23:18:29 [I] wd_cm_wait_for_setup
2019-10-15 23:18:29 [I] * wd_emmc_writer_main
2019-10-15 23:18:29 [I] * wd_emmc_write_buffer_init: size: 67108864
2019-10-15 23:18:29 [I] wd_cm_setup_ap
2019-10-15 23:18:31 [I] wd_cm_connection_changed_cb: State: 1
2019-10-15 23:18:31 [I] wd_cm_connection_changed_cb: SSID: SM-R760-abcd

Maybe this helps with Upload (Wireless)...

Best Regards