Great News and one of the great article which is surely help all phone which is the problem is " No IMEI Issue, Invalid or Missing IMEI, NO Signal and No Signal Icon.
Try this Tutorials and maybe it will help and one of the useful help for all the users specially Cherry Mobile Phone users.
Keep and always remember that it is not accurately 100% working to all the phone, some phone has a great effect and some don't have but you may try it.
HOW TO FIX NO SIGNAL, NO IMEI and MISSING Signal ICON
1. You need to dial the " *#*#3646633#*#* " without the quotes, this is the EngineeringMode used common by technicians.
2. Swiping from left to right is also applicable.
3. You need also to Press the CDS Information in the Connectivity TAB.
4. Radio Information next to Press.
5. This is one of the important to do, you may see Phone Information TAB and Press also the Phone 2 so that you may type/add EMGR = 1, 10 (followed by your IMEI numbers) and SEND at Command.
6. Need to Reboot the phone.
7. Repeat the said Procedures.
Need also to repeat the instructions number 5 and Reboot again.
8. And Lastly, you may also check your phone if it has now a valid IMEI by dialing *#06#
9. If you can see a number appear, your IMEI has successfully Restored.
10. You may also see that your IMEI is always located at the back of your battery case.