Unable to place device into recovery mode from Normal mode

[Skimige]

My device is iPad Pro 9.7-inch (WiFi). It always boot into normal mode when trying to put it in recovery mode. Here are the logs.

The command is : (*s are connected to my serial)

futurerestore -t 4918************_iPad6,3_j127ap_11.3.1-15E302_64**********************************ca.shsh2 --latest-sep --no-baseband -w iPadPro_9.7_11.3.1_15E302_Restore.ipsw

Version: a0113a4e46bfd00962cd25e3af548fc8b0bd21fd - 173
Odysseus Support: no
[INFO] 64bit device detected
futurerestore init done
reading ticket 49************_iPad6,3_j127ap_11.3.1-15E302_64**********************************ca.shsh2 done
Found device iPad6,3 j127ap
user specified to use latest signed sep
[TSSC] opening firmware.json
[DOWN] downloading file https://api.ipsw.me/v2.1/firmwares.json/condensed
[TSSC] selecting latest iOS: 11.4
[TSSC] got firmwareurl for iOS 11.4 build 15F79
100 [===================================================================================================>]
downloading SEP
100 [===================================================================================================>]
[TSSC] opening download/sepManifest.plist
WARNING: Unable to find BbChipID node
[TSSR] User specified not to request a Baseband ticket.
Request URL set to https://gs.apple.com/TSS/controller?action=2
Sending TSS request attempt 1... response successfully received

WARNING: user specified not to flash a baseband. This can make the restore fail if the device needs a baseband!
if you added this flag by mistake you can press CTRL-C now to cancel
continuing restore in 5 4 3 2 1
Found device in Normal mode
Entering recovery mode...
ERROR: Unable to connect to device in recovery mode
ERROR: Unable to enter recovery mode
[Error] Unable to place device into recovery mode from Normal mode
[Error] Fail code=-2
Failed with errorcode=-2