Introduction
The Oppo A72 is a mid-range smartphone that has garnered attention for its well-rounded features, particularly in terms of display, battery life, and camera performance. However, in the era of ubiquitous connectivity, one of the most critical aspects that potential users often consider is how well the device handles WiFi calling. WiFi calling is a feature that allows users to make and receive calls over a WiFi network instead of relying solely on a cellular network. This is particularly useful in areas where cellular coverage may be weak or unreliable. In this comprehensive review, we will delve into the Oppo A72’s WiFi calling capabilities, examining its setup process, performance, benefits, limitations, and overall user experience.
Table of Contents
1. Overview of Oppo A72
Before diving into the specifics of WiFi calling, it is essential to provide an overview of the Oppo A72’s general specifications. The Oppo A72 was launched as part of Oppo’s mid-range smartphone lineup, offering a balanced mix of features and affordability. It comes with a 6.5-inch IPS LCD display, a Qualcomm Snapdragon 665 chipset, 4GB/8GB of RAM, and 128GB of internal storage, expandable via a microSD card. The device also boasts a quad-camera setup on the back, headlined by a 48MP primary sensor, and a 5000mAh battery that supports 18W fast charging.
2. Understanding WiFi Calling
WiFi calling is a technology that allows smartphones to make and receive voice calls over a WiFi network instead of a traditional cellular network. This feature is particularly useful in areas with poor cellular coverage, such as remote locations, underground spaces, or buildings with thick walls that interfere with signal reception. WiFi calling works by routing calls through the internet, providing users with a more reliable and sometimes clearer calling experience. Additionally, WiFi calling can help users avoid roaming charges when traveling internationally, as calls are made through a WiFi network rather than a cellular network.
3. Setting Up WiFi Calling on Oppo A72
The process of setting up WiFi calling on the Oppo A72 is relatively straightforward. Here’s a step-by-step guide:
Step 1: Check for Compatibility
- Ensure that your carrier supports WiFi calling and that the feature is enabled on your account. Most major carriers offer WiFi calling, but it’s always good to verify.
Step 2: Enable WiFi Calling on the Device
- Go to the “Settings” menu on your Oppo A72.
- Scroll down and select “SIM Card & Mobile Data.”
- Tap on the SIM card for which you want to enable WiFi calling.
- Look for the “WiFi Calling” option and toggle it on.
- If prompted, agree to the terms and conditions.
Step 3: Connect to a WiFi Network
- Ensure your Oppo A72 is connected to a stable WiFi network. The quality of the WiFi connection will significantly impact the performance of WiFi calling.
Step 4: Test WiFi Calling
- Once WiFi calling is enabled, make a test call to verify that it’s working correctly. You should see a “WiFi” or “VoWiFi” icon in the status bar, indicating that the call is being made over WiFi.
4. Performance of WiFi Calling on Oppo A72
The performance of WiFi calling on the Oppo A72 largely depends on the quality of the WiFi network it’s connected to. Here’s a detailed breakdown of what users can expect:
4.1 Call Quality
- Clarity: The call quality over WiFi on the Oppo A72 is generally excellent, with clear voice transmission and minimal latency. This is particularly noticeable when compared to calls made over weak cellular networks, where audio can often be choppy or distorted.
- Latency: WiFi calling on the Oppo A72 exhibits minimal latency, which is crucial for ensuring a smooth conversation without noticeable delays between when a word is spoken and when it’s heard.
- Connection Stability: The stability of WiFi calls on the Oppo A72 is highly dependent on the strength and consistency of the WiFi signal. On a strong WiFi network, calls are stable, with minimal drops or interruptions. However, if the WiFi signal fluctuates or the bandwidth is heavily used by other devices, users may experience call drops or degraded call quality.
4.2 Seamless Handover
- The Oppo A72 supports seamless handover between WiFi and cellular networks, which means that if you move out of WiFi range during a call, the device will automatically switch to a cellular network without dropping the call. This feature is particularly useful in large buildings or when moving between indoor and outdoor environments.
4.3 Battery Consumption
- One of the concerns users may have is how WiFi calling affects battery life. The Oppo A72 manages power efficiently, and while WiFi calling does consume more battery than standard cellular calls, the difference is negligible. The large 5000mAh battery on the Oppo A72 ensures that users can make extended WiFi calls without worrying about quickly draining the battery.
4.4 Compatibility with Other Features
- WiFi calling on the Oppo A72 integrates well with other smartphone features, such as call forwarding, call waiting, and voicemail. Users can expect a seamless experience with no noticeable disruptions to their usual call management routines.
5. Benefits of WiFi Calling on Oppo A72
WiFi calling on the Oppo A72 offers several benefits, making it a valuable feature for users who require reliable communication options:
5.1 Improved Call Quality in Low Signal Areas
- The most significant advantage of WiFi calling is the ability to make clear, high-quality calls in areas where cellular coverage is weak or non-existent. For users who live in rural areas, work in buildings with poor signal penetration, or frequently travel to locations with unreliable cellular service, WiFi calling is a game-changer.
5.2 Cost Savings
- WiFi calling can help users save on their mobile bills, especially when traveling internationally. Instead of paying high roaming fees, users can connect to a local WiFi network and make calls without incurring additional charges. This is particularly beneficial for frequent travelers who want to stay connected without worrying about excessive costs.
5.3 Seamless Communication
- With WiFi calling, users don’t have to worry about losing connectivity when moving between areas with varying signal strengths. The Oppo A72’s ability to seamlessly switch between WiFi and cellular networks ensures uninterrupted communication, providing peace of mind in critical situations.
5.4 No Need for Third-Party Apps
- Unlike some alternatives that require third-party apps for internet-based calling, WiFi calling on the Oppo A72 is built into the device’s native dialer. This means users don’t have to install additional apps or deal with potential compatibility issues, making the experience more straightforward and integrated.
6. Limitations of WiFi Calling on Oppo A72
While WiFi calling on the Oppo A72 offers numerous benefits, there are some limitations that users should be aware of:
6.1 Dependence on WiFi Quality
- The performance of WiFi calling is heavily dependent on the quality of the WiFi network. If the network is slow, congested, or unstable, users may experience poor call quality, latency, or even dropped calls. This limitation means that WiFi calling is not always a foolproof solution, particularly in environments where WiFi performance is inconsistent.
6.2 Limited Availability
- Although WiFi calling is becoming more widespread, it is not universally supported by all carriers. Users need to ensure that their carrier offers WiFi calling and that it is enabled on their account. Additionally, certain carriers may have restrictions on WiFi calling when used outside of their home country, which could limit its effectiveness for international travelers.
6.3 Potential Privacy Concerns
- As WiFi calling relies on internet connectivity, there are potential privacy concerns related to data security. While the data transmitted during a WiFi call is typically encrypted, users should be cautious when using public WiFi networks, as these may be more vulnerable to security breaches.
6.4 Inconsistent Handover Experience
- While the Oppo A72 supports handover between WiFi and cellular networks, the experience may not always be perfect. In some cases, users may notice a brief disruption or drop in call quality during the transition, especially if the WiFi signal is lost abruptly or if the cellular network signal is weak.
7. Comparison with Other Mid-Range Smartphones
When evaluating WiFi calling on the Oppo A72, it’s useful to compare it with other mid-range smartphones to see how it stacks up:
7.1 Oppo A72 vs. Samsung Galaxy A51
- Both the Oppo A72 and Samsung Galaxy A51 are popular mid-range devices. In terms of WiFi calling, the experience is quite similar, with both devices offering reliable call quality over WiFi. However, the Oppo A72’s larger battery gives it a slight edge in terms of overall battery life during extended WiFi calling sessions.
7.2 Oppo A72 vs. Xiaomi Redmi Note 9 Pro
- The Xiaomi Redmi Note 9 Pro is another competitor in the mid-range segment. While it also supports WiFi calling, users may find that the Oppo A72 offers a more user-friendly setup process and a slightly more stable handover experience between WiFi and cellular networks.
7.3 Oppo A72 vs. Realme 6
- Realme 6, known for its value-for-money proposition, also offers WiFi calling. However, the Oppo A72’s interface and overall integration of WiFi calling features might appeal more to users who prioritize a seamless experience without issues. While both devices deliver solid performance, the Oppo A72 has a slight edge in the ease of use and overall smoothness of the WiFi calling feature.
8. User Experience: Real-World Scenarios
WiFi calling on the Oppo A72 shines in various real-world scenarios, reflecting its importance beyond just being a technical feature. Let’s explore how this capability impacts everyday use:
8.1 Home Use
- In many homes, especially those located in rural or suburban areas, cellular signal strength can be inconsistent. The Oppo A72’s WiFi calling feature ensures that users can make and receive calls without worrying about poor signal quality. This can be especially beneficial for individuals who work from home and need to stay connected for business calls, or for families who want to avoid dropped calls during important conversations.
8.2 Office Environment
- In office buildings, particularly those with multiple floors or thick walls, cellular signals may be weak or completely blocked. The Oppo A72’s WiFi calling feature ensures that business calls are not interrupted by signal issues. For professionals who rely heavily on their smartphones for communication, this feature can be a productivity booster, allowing them to maintain clear and stable connections throughout the workday.
8.3 Public WiFi
- While public WiFi networks, such as those found in cafes, airports, and hotels, can sometimes be unreliable, the Oppo A72 handles these scenarios fairly well. When connected to a reasonably stable public WiFi network, users can make calls without significant issues. However, it’s important to remain cautious of privacy concerns when using public networks, as they can be more susceptible to security risks.
8.4 International Travel
- For travelers, WiFi calling on the Oppo A72 is a cost-effective solution to staying connected without incurring high roaming charges. Whether you’re in a hotel room abroad or at a local cafe with WiFi, you can make calls back home as if you were still in your own country. This feature also comes in handy when dealing with local carriers that might not offer the best coverage.
8.5 Urban Areas with Dense Networks
- In urban environments with a high density of WiFi networks, the Oppo A72’s WiFi calling feature is particularly useful. Even if the cellular network is congested or weak due to the number of users, you can rely on WiFi to maintain your connection. This can be crucial during peak hours or in crowded areas where cellular networks struggle to provide consistent service.
9. Troubleshooting Common Issues with WiFi Calling
Despite its many benefits, users may occasionally encounter issues with WiFi calling on the Oppo A72. Here’s a guide to troubleshooting some common problems:
9.1 WiFi Calling Not Working
- Check WiFi Connection: Ensure that your Oppo A72 is connected to a stable WiFi network. A weak or intermittent connection can cause WiFi calling to fail.
- Carrier Support: Verify that your carrier supports WiFi calling and that the feature is enabled on your account.
- Toggle WiFi Calling: Try turning WiFi calling off and then on again in the settings. This can sometimes resolve minor software glitches.
- Update Software: Ensure that your device’s software is up to date. Sometimes, firmware updates include fixes for connectivity issues.
9.2 Poor Call Quality
- Check WiFi Bandwidth: If multiple devices are using the same WiFi network, bandwidth may be limited, affecting call quality. Disconnecting unnecessary devices or limiting their activity can improve performance.
- Move Closer to the Router: Physical obstructions and distance from the router can weaken the WiFi signal. Moving closer to the router may help stabilize the connection.
- Restart Your Router: Sometimes, restarting the WiFi router can resolve connectivity issues that affect WiFi calling.
9.3 Call Drops
- Network Switching: If your device frequently switches between WiFi and cellular networks during a call, it may cause drops. Try disabling cellular data temporarily to force the call to stay on WiFi.
- Signal Interference: Other wireless devices, such as Bluetooth speakers or microwaves, can interfere with WiFi signals. Reducing the number of active wireless devices in the vicinity can help.
10. Future of WiFi Calling and Its Impact on Devices Like Oppo A72
As technology continues to advance, WiFi calling is likely to become an even more integral part of our communication systems. Here are some potential developments and their impact on devices like the Oppo A72:
10.1 Expansion of 5G Networks
- With the rollout of 5G networks, the reliance on WiFi for calling may diminish in areas with strong 5G coverage. However, WiFi calling will still be relevant in locations where 5G signals are weak or non-existent. Devices like the Oppo A72, which currently operates on 4G networks, will continue to benefit from WiFi calling as a complementary technology to ensure uninterrupted communication.
10.2 Improved WiFi Standards
- The development of WiFi 6 (802.11ax) and future WiFi standards promises faster speeds, lower latency, and improved capacity for handling multiple devices simultaneously. As these technologies become more widespread, the performance of WiFi calling on devices like the Oppo A72 will likely improve, offering even better call quality and stability.
10.3 Integration with Smart Home Systems
- As smart home systems become more sophisticated, we may see greater integration between WiFi calling and other connected devices. For example, smart speakers and home assistants could be used to initiate or receive WiFi calls, expanding the convenience of this feature.
10.4 Enhanced Privacy and Security
- With increasing concerns about data privacy, the future of WiFi calling may include enhanced encryption and security protocols. This will be particularly important as more users rely on public WiFi networks for making calls. Oppo could potentially introduce additional security features in future updates or models to protect users’ data during WiFi calls.
11. Conclusion: Is Oppo A72 a Good Choice for WiFi Calling?
After a thorough examination of the Oppo A72’s WiFi calling capabilities, it is clear that this device is a solid choice for users who need reliable connectivity, especially in areas with poor cellular coverage. The ease of setting up WiFi calling, combined with the device’s overall performance, makes it a practical option for a wide range of users.
The Oppo A72’s WiFi calling feature is particularly beneficial for those who live or work in areas with inconsistent cellular signals, frequent travelers, and anyone looking to save on international roaming charges. The seamless integration of WiFi calling with other phone features, minimal impact on battery life, and excellent call quality further enhance its appeal.
However, like any technology, WiFi calling on the Oppo A72 is not without its limitations. Dependence on WiFi network quality, potential privacy concerns, and occasional issues with call handover are factors that users should consider. Despite these drawbacks, the benefits of WiFi calling on the Oppo A72 far outweigh the limitations, making it a valuable feature for enhancing communication.
In conclusion, if you are in the market for a mid-range smartphone that offers reliable WiFi calling capabilities, the Oppo A72 is a worthy contender. Its balance of affordability, functionality, and connectivity features makes it an excellent choice for those who prioritize staying connected in any environment. Whether you are dealing with weak cellular signals at home, need to make international calls without breaking the bank, or simply want the convenience of uninterrupted communication, the Oppo A72 delivers on its promise of effective WiFi calling.