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Can't connect to your home NAS no matter what? Don't blame the router for now—maybe your broadband doesn't even have a public IP address. I've reviewed the three-step self-check method, CGNAT determination, the scripts for asking for a public IP when entering 10,000 accounts, and how to disassemble the dual-layer NAT of the optical modem. This article explains everything in order....

Does the optical modem switch to routing mode the day after switching to bridge? It is Telecom ITMS that remotely issues configurations in the middle of the night and overwrites your settings. I've tried all three paths—from solid log confirmation, entering 10000 to change templates, to deleting the TR-069 connection—one by one. This article explains the methods and steps to respond....

How to handle telecom broadband device relocation? My actual experience moving twice: the reservation portal for 10000 and the telecom app, the relocation fee, whether the optical modem is taken away or replaced by a technician, what to confirm in advance about the new fiber-optic home and weak current box, and the self-inspection procedure for network speed shortages after moving. The entire process is clearly written so you can avoid making a trip if you follow them....

What should I do if I can't access the internet after restoring the China Telecom optical modem to factory settings? The night I accidentally pressed reset, the LOS red light flashed and WiFi name reverted to ChinaNet default. It took me three hours to fix it. This article clearly explains the order of what to lose or not to lose, judging by the light, waiting for ITMS automatic registration or manually filling in the LOD, and the bridging party handling the aftermath. In most cases, you don't need to call a master....

How to set up Tianyi Gateway 2.4G and 5G separately? The China Telecom optical modem's WiFi is by default dual-band integration, broadcasting only one name. Smart devices like robot vacuums that only recognize 2.4G have failed in network setup. This article records the entire process of removing dual-band integration from the 192.168.2.1 backend: useradmin can change without a super password, compare the menu paths for three models, choose names after separation, and still can't connect to smart devices—these three follow-up pitfalls are all set up that night....

How to check connected devices and kick people with Tianyi Gateway? This article describes my experience of detecting internet devices in the background at 192.168.2.1: where is the online device list after useradmin logs in, how to recognize unfamiliar devices, the difference between blocking and kicking offline, why it can still reconnect after kicking, and using the Xiaoyi Manager app to kick people out and out. Following this routine instantly refreshes my home network....

What should I do if the IPTV screen goes black and there is no signal after switching to a telecom optical modem bridge? After modifying the bridge TV, the screen went black. That night, I tried three methods: Xiaoyi Manager check, super password entering the background to find WAN connection, and finally using multicast VLAN to restore IPTV. The whole process was recorded. ...

Many people are too lazy to install the Xiaoyi Manager app China Telecom's optical modem. In fact, changing WiFi passwords, checking who is freeloading, restarting the optical modem, or reporting broadband faults don't require entering the 192.168.2.1 backend—just a few taps on your phone and you can handle it. I've explored each of its features one by one—which ones are useful and which are just for show—this article will explain them clearly for you. ...

Many people’s homes 192.168.2.1 I can log into both the optical modem and the router, but I can't tell which setting I changed. I took apart the shells of three common devices and looked at the labels, checked the default accounts, tried the management backend, and made a comparison table for you. ...

Can I replace the telecom optical modem with one I bought myself? I used a second-hand TEWA-750G to complete the entire LOID registration process: where the sticker password is, what error would occur if one of the three authentication elements was missing, WiFi reset after registration, what to do when ITMS comes to reunite late at night, plus honest advice about people not to mess around—copying it saves me a trip to the service center. ...