Connecting to your-ssid
....WiFi connected
IP address: 
172.16.0.4
Contacting Time Server

Now is : 1969-12-31 20:00:09

Formatting LittleFS filesystem
Mount LittleFS
Listing directory: /
  FILE: LOG13032020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:23
  LAST WRITE: 2020-05-21 15:12:24
  FILE: LOG13042020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:25
  LAST WRITE: 2020-05-21 15:12:27
  FILE: LOG13052020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:29
  LAST WRITE: 2020-05-21 15:12:30
  FILE: LOG14032020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:30
  LAST WRITE: 2020-05-21 15:12:31
  FILE: LOG14042020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:32
  LAST WRITE: 2020-05-21 15:12:33
  FILE: LOG14052020.TXT  SIZE: 19857    CREATION: 2020-05-21 15:12:33
  LAST WRITE: 2020-05-21 15:12:34
  FILE: LOG15032020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:34
  LAST WRITE: 2020-05-21 15:12:36
  FILE: LOG15042020.TXT  SIZE: 19821    CREATION: 2020-05-21 15:12:38
  LAST WRITE: 2020-05-21 15:12:40
  FILE: LOG15052020.TXT  SIZE: 19816    CREATION: 2020-05-21 15:12:40
  LAST WRITE: 2020-05-21 15:12:41
  FILE: LOG16032020.TXT  SIZE: 16080    CREATION: 2020-05-21 15:12:43
  LAST WRITE: 2020-05-21 15:12:44
  FILE: LOG16042020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:44
  LAST WRITE: 2020-05-21 15:12:46
  FILE: LOG16052020.TXT  SIZE: 19826    CREATION: 2020-05-21 15:12:46
  LAST WRITE: 2020-05-21 15:12:48
  FILE: LOG17022020.TXT  SIZE: 20036    CREATION: 2020-05-21 15:12:48
  LAST WRITE: 2020-05-21 15:12:50
  FILE: LOG17032020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:50
  LAST WRITE: 2020-05-21 15:12:51
  FILE: LOG17042020.TXT  SIZE: 19837    CREATION: 2020-05-21 15:12:52
  LAST WRITE: 2020-05-21 15:12:53
  FILE: LOG17052020.TXT  SIZE: 19832    CREATION: 2020-05-21 15:12:53
  LAST WRITE: 2020-05-21 15:12:55
  FILE: LOG18022020.TXT  SIZE: 17220    CREATION: 2020-05-21 15:12:55
  LAST WRITE: 2020-05-21 15:12:56
  FILE: LOG18032020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:57
  LAST WRITE: 2020-05-21 15:12:58
  FILE: LOG18042020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:58
  LAST WRITE: 2020-05-21 15:13:00
  FILE: hello.txt  SIZE: 13    CREATION: 1969-12-31 20:00:12
  LAST WRITE: 1969-12-31 20:00:14
Deleting file: /hello.txt
File deleted
Writing file: /hello.txt
File written
Appending to file: /hello.txt
Message appended
Listing directory: /
  FILE: LOG13032020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:23
  LAST WRITE: 2020-05-21 15:12:24
  FILE: LOG13042020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:25
  LAST WRITE: 2020-05-21 15:12:27
  FILE: LOG13052020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:29
  LAST WRITE: 2020-05-21 15:12:30
  FILE: LOG14032020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:30
  LAST WRITE: 2020-05-21 15:12:31
  FILE: LOG14042020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:32
  LAST WRITE: 2020-05-21 15:12:33
  FILE: LOG14052020.TXT  SIZE: 19857    CREATION: 2020-05-21 15:12:33
  LAST WRITE: 2020-05-21 15:12:34
  FILE: LOG15032020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:34
  LAST WRITE: 2020-05-21 15:12:36
  FILE: LOG15042020.TXT  SIZE: 19821    CREATION: 2020-05-21 15:12:38
  LAST WRITE: 2020-05-21 15:12:40
  FILE: LOG15052020.TXT  SIZE: 19816    CREATION: 2020-05-21 15:12:40
  LAST WRITE: 2020-05-21 15:12:41
  FILE: LOG16032020.TXT  SIZE: 16080    CREATION: 2020-05-21 15:12:43
  LAST WRITE: 2020-05-21 15:12:44
  FILE: LOG16042020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:44
  LAST WRITE: 2020-05-21 15:12:46
  FILE: LOG16052020.TXT  SIZE: 19826    CREATION: 2020-05-21 15:12:46
  LAST WRITE: 2020-05-21 15:12:48
  FILE: LOG17022020.TXT  SIZE: 20036    CREATION: 2020-05-21 15:12:48
  LAST WRITE: 2020-05-21 15:12:50
  FILE: LOG17032020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:50
  LAST WRITE: 2020-05-21 15:12:51
  FILE: LOG17042020.TXT  SIZE: 19837    CREATION: 2020-05-21 15:12:52
  LAST WRITE: 2020-05-21 15:12:53
  FILE: LOG17052020.TXT  SIZE: 19832    CREATION: 2020-05-21 15:12:53
  LAST WRITE: 2020-05-21 15:12:55
  FILE: LOG18022020.TXT  SIZE: 17220    CREATION: 2020-05-21 15:12:55
  LAST WRITE: 2020-05-21 15:12:56
  FILE: LOG18032020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:57
  LAST WRITE: 2020-05-21 15:12:58
  FILE: LOG18042020.TXT  SIZE: 19296    CREATION: 2020-05-21 15:12:58
  LAST WRITE: 2020-05-21 15:13:00
  FILE: hello.txt  SIZE: 13    CREATION: 1969-12-31 20:00:09
  LAST WRITE: 1969-12-31 20:00:11
The timestamp should be valid above
Now unmount and remount and perform the same operation.
Timestamp should be valid, data should be good.
Now mount it
Reading file: /hello.txt
Read from file: Hello World!