How to open the door with a smart lock: Analysis of hot topics on the Internet in the past 10 days
With the popularity of smart homes, smart locks, as the core product of home security, have recently become the focus of heated discussions across the Internet again. This article will combine hot topics in the past 10 days to provide you with a detailed analysis of how to use smart locks from the perspectives of door opening methods, technical principles, and user pain points.
1. Hotspot data related to smart locks in the entire network in the past 10 days

| Ranking | hot topics | Search volume (10,000) | Main platform |
|---|---|---|---|
| 1 | How to open the door when the smart lock is out of power | 28.5 | Baidu/Douyin |
| 2 | What to do if fingerprint recognition fails | 19.2 | Weibo/Xiaohongshu |
| 3 | Temporary password security risks | 15.7 | Zhihu/Bilibili |
| 4 | NFC door opening tutorial | 12.3 | Douyin/Kuaishou |
| 5 | The smart lock was cracked by the small black box | 9.8 | Tieba/Toutiao |
2. Detailed explanation of mainstream smart lock door opening methods
1.Fingerprint recognition to open the door
At present, the most commonly used method of opening the door is to collect the user's fingerprint characteristics for verification. Pay attention to keeping your fingers dry and clean. It is recommended to collect the same fingerprint from multiple angles when entering.
2.Password to open the door
There are two types of passwords: permanent passwords and temporary passwords:
| Type | Usage scenarios | Security level |
|---|---|---|
| Permanent password | Daily use by family members | ★★★ |
| Temporary password | Temporary use by visitors/cleaning | ★★★★ |
3.emergency mechanical key
All smart locks are equipped with a mechanical keyhole, usually located discreetly at the bottom. It is recommended to store keys in the office or with a trusted relative or friend.
4.Mobile APP to open the door remotely
It needs to be used with Bluetooth or WiFi module, and some brands support the automatic unlocking function of geofence.
3. Recent hot issues that users are concerned about
1.Emergency plan in case of power outage
Nearly 30% of inquiries are about power issues, and the mainstream solutions are:
| Plan | Applicable scenarios | Operation steps |
|---|---|---|
| External power bank | Low battery warning | Temporarily powered via USB interface |
| mechanical key | When the battery is completely out of power | Use the spare key to open the door |
| emergency power supply | Supported by some models | Powered by 9V battery contacts |
2.Security protection upgrade suggestions
In response to the recent hotly discussed small black box attacks, experts suggest:
- Choose a C-level lock cylinder with electromagnetic protection design
- Regularly update firmware to fix vulnerabilities
- Turn off non-essential wireless functions
4. Things to note when using smart locks
1. Clean the fingerprint collector regularly to avoid oil contamination affecting recognition.
2. Check the battery power every quarter. It is recommended to use lithium iron batteries.
3. The temporary password should be used for no more than 24 hours.
4. When registering fingerprints, it is recommended to enter different angles of the same finger.
5. Mechanical keys need to be tried regularly to prevent the keyhole from being corroded.
From the above analysis, it can be seen that although smart locks are easy to operate, users still need to master multiple door opening methods and emergency response plans. It is recommended that you understand the product features in detail before purchasing, and be prepared for backup solutions when using it, so that you can truly enjoy the convenience and security brought by smart home.
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