shv e300L Data service not supported

i have shv e300L. it is showing data service not supported when data connection is turned on. i flashed it with different version but problem not solved..

help please…
Welcome to Octoplus/Octopus Box Samsung software version 2.2.0
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To connect SHV-E300L phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
Selected firmware file: E300LKLUGOL5_E300LLGTGOL5
_E300LKLUFOD1_HOME.oct
Please put the phone into Download Mode and connect USB cable.
To put SHV-E300L into Download Mode, You have to perform the
following steps:
1. Reconnect the battery.
2. Press and hold "Volume-" + "Home" + "Power ON" keys.
3. When phone turns on, press "Volume+" key.
Found phone on
Firmware write started.
Writing BOOTLOADER section…
BOOTLOADER section has been written successfully.
Writing BOOT section…
BOOT section has been written successfully.
Writing RECOVERY section…
RECOVERY section has been written successfully.
Writing SYSTEM section…
SYSTEM section has been written successfully.
Writing CACHE section…
CACHE section has been written successfully.
Writing HIDDEN section…
HIDDEN section has been written successfully.
Writing RADIO section…
RADIO section has been written successfully.
Firmware writing successfully completed.