Fix activation stage and device name

README.md

@@ -62,11 +62,11 @@ it compatible with Zigbee networks.
 
 ## Flashing from a custom bluetooth firmware (easy way for new devices)
 1. Open an awesome tool from ATC_MiThermometer https://pvvx.github.io/ATC_MiThermometer/TelinkMiFlasher.html
-2. Click "Connect" button and find device LYWSD03MMC
-3. After successful connecting device (Connected in logs) click "Do Activation" and wait some time
+2. Click "Connect" button and find device LYWSD03MMC, wait connection (Connected in logs)
+3. On new device with stock firmware click "Do Activation" and wait some time
 4. Next "Select Firmware", choose file with custom bluetooth firmware [ATC_ota_400000](./assets/ATC_ota_40000.bin), click "Start Flashing"
 5. You will see in logs "Update done after NN seconds"
-6. Reboot device removing battery, refresh web-page with flashing tool and connect device again (with name ATC_802190). Do not change any control on page
+6. Reboot device removing battery, refresh web-page with flashing tool and connect device again (with name ATC_802190 or similar, based on mac-address). Do not change any control on page
 8. Flash latest [z03mmc.bin](https://github.com/devbis/z03mmc/releases) firmware over transitional firmware to convert it to zigbee. Use https://devbis.github.io/telink-zigbee/ page if previous flasher stops because of the firmware size.
 
 ## Flashing firmware with USB to UART