diff --git a/examples/protocols/pppos_client/README.md b/examples/protocols/pppos_client/README.md
index c00e8f626d..d0e677850a 100644
--- a/examples/protocols/pppos_client/README.md
+++ b/examples/protocols/pppos_client/README.md
@@ -128,4 +128,8 @@ E (626) sim800: sim800_init(628): sync failed
 ```
    * Make sure your modem module is in command mode stably before you run this example.
 
+2. Why the modem restarts before switching to PPP mode or while getting operator's information?
+
+   * Make sure the modem device is properly powered. Please consult the device's datasheet for the power requirement (BG96 consumes approximately 200mA while establishing a connection and may restart if powered only from ESP32-WROVER Kit)
+
 (For any technical queries, please open an [issue](https://github.com/espressif/esp-idf/issues) on GitHub. We will get back to you as soon as possible.)