wifi problem help me
 

Samsung SM-T815 (Tab S2 9.7 LTE) at USB (COM3) [LOKE FLASH] {Write Flash}
Use [Enter Flash] or Switch Off Device and Insert Cable

Samsung SM-T815 (Tab S2 9.7 LTE) at USB (COM6) [LOKE FLASH] {Write Flash}
PLATF: LOKE 00020000
PIT Read Done: 00:00
PIT Backup Saved as: SM-T815_Read.pit
File: T815XXU2BPG3_T815OJV2BPG1_T815XXU2BPG2_HOME.tar.md 5
Partition: BOOTLOADER, Image: sboot.bin, Size: 0x001CEB10 (1.81 MB)
Partition: BOOT, Image: boot.img, Size: 0x009D9120 (9.85 MB)
Partition: RECOVERY, Image: recovery.img, Size: 0x00AE3120 (10.89 MB)
Partition: SYSTEM, Image: system.img, Size: 0xA4CEE4B0 (2.58 GB)
Partition: RADIO, Image: modem.bin, Size: 0x02104430 (33.02 MB)
Partition: CACHE, Image: cache.img, Size: 0x064CF120 (100.81 MB)
Partition: HIDDEN, Image: hidden.img, Size: 0x01129270 (17.16 MB)
Flash Write Done: 03:28.527
Restart Done

FLASH INSTRUCTIONS:
1. Choose correct flash file(s).
2. If you have PIT file chosen, then you must check 'Repartition' option.
3. Check flashing options if needed (Repartition, EFS clear, Boot update).
4. Power on phone in download mode (turn off phone, press vol.down + home + power).
5. Connect phone to PC with USB cable, install drivers if needed.
6. Press 'Flash' button.

Operation: Flash
Selected model: SM-T815
Software version: 28.2

File analysis... Ok
Total file size: 0xCA760696 (3239 Mb)
Searching USB Flash interface... COM23 detected
Setup connection... Ok
Set PIT file... Ok
Reading PIT from phone... Ok
Sending sboot.bin... Ok
Sending param.bin... Ok
Sending boot.img... Ok
Sending recovery.img... Ok
Sending system.img... Ok
Sending userdata.img... Ok
Sending modem.bin... Ok
Sending cache.img... Ok
Sending hidden.img... Ok
Flashing done (time - 00:03:51)

Done with Samsung Tool PRO v.28.2