Pb with wifi and gsm network - Galaxy S 4 Q&A, Help & Troubleshooting

Hi
I have a pb with gsm network when i m on wifi.
After a few time when i disable my wifi i lost gsm signal.
I have tried to change csc with my french csc (xef) , change bl modem, all installed again.
I have this pb from 3 or 4 weeks.
And with custom rom .
The only that is all right that my stock off ng8.
This screen is after stop wifi.
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☆☆☆ Send with Tapatalk Pro ☆☆☆

Nobody ?
☆☆☆ Send with Tapatalk Pro ☆☆☆

Always with my pb.
After 20 mns of spotify with wifi this morning, i have stopped it and no network
☆☆☆ Send with Tapatalk Pro ☆☆☆

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View attachment 4790164View attachment 4790165
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