Then try to do exactly the next:
1. Write firmware "I9301IXXUANC6_I9301IITVAND2_I9301IXXUANC6_HOM E" from the Support Area.
2. Re-start the phone.
3. Root the phone by using TowelRoot.
4. Write the second service's IMEI from the Software list.
5. Make Repair 3G/4G.
6. Restart the phone.
7. Write the first NVM backup (that You or Software was performed fore You have performed before first "Unlock" or "Repair IMEI" operation) or try to write this NVM backup
https://mega.co.nz/#!X4YDFaAI!w_ZQUT...Rh7QvZxtt9znqA.
8. Insert SIM card, wait 5-10 minutes and try to find and select network manually.
9. Write here the result.