please whats solution this ipad air?
Checking iDevices.....OK
Reading iDevice info.....OK
Activation Status: Unactivated
BuildVersion: 16H71
CPU Arch: arm64
Device Class: iPad
Device Name: iPad
Firmware Version: iBoot-4513.270.14
Device IMEI: 3588.........
Device MEID: 3588470.....
Product Name: iPhone OS
Product Type: iPad Air (GSM+CDMA)
IOS Version: 12.5.6
SIM Status: kCTSIMSupportSIMStatusNotInserted
Device Serial Number: DMPM7XY8F4YF
DeviceID: 8bd22b81ebbf6688316976ed935fbc54d39bd0e7
MEID Status: Supported
Preparing paths.....OK
Waiting for server.....OK
Checking Files.....OK
Bypassing.....Failed
Operation {Bypass MDM} ID: ABA929471A4E8588
Elapsed time 00:45 -- Version 4.3.8

Operation {Bypass Carrier SIM Lock Gsm & Meid}
Checking iDevices.....OK
Reading iDevice info.....OK
Activation Status: Unactivated
BuildVersion: 16H71
CPU Arch: arm64
Device Class: iPad
Device Name: iPad
Firmware Version: iBoot-4513.270.14
Device IMEI: 3588..........
Device MEID: 358847......
Product Name: iPhone OS
Product Type: iPad Air (GSM+CDMA)
IOS Version: 12.5.6
SIM Status: kCTSIMSupportSIMStatusNotInserted
Device Serial Number: DMPM7XY8F4YF
DeviceID: 8bd22b81ebbf6688316976ed935fbc54d39bd0e7
MEID Status: Supported
Checking SSH......OK
Preparing device......OK
IDevicePair......OK
Downloading Hash........OK
Activating...Checking Server...Checking Server...Checking Server...Checking Server...Checking Server......OK
Wait please...Successfully!
Operation {Bypass Carrier SIM Lock Gsm & Meid} ID: D42C1717994070D4
Elapsed time 01:17 -- Version 4.3.8