How To Use Secret Codes On Nokia Lumia 730 Dual... !!install!!

Let’s walk through a practical use case. Your Lumia 730 dies at 20% battery. Let’s diagnose it.

Here is a categorized list of working codes for the Lumia 730. How to Use Secret Codes on NOKIA Lumia 730 Dual...

Instantly see your firmware version, software release date, and model variant. : ##634# Let’s walk through a practical use case

Open Phone Dialer. Step 2: Type ##364 Step 3: Watch the "Battery Diagnostic" screen appear. Step 4: Look at "Temperature" – if above 45°C, your battery is overheating. Step 5: Look at "Voltage" – 3.7V to 4.2V is healthy. Below 3.5V under load means a degraded battery. Step 6: Note "Full Charge Capacity" – compare to "Design Capacity". If below 80%, replace the battery. Here is a categorized list of working codes

Before diving into the specific codes, it is important to understand what they are and how they differ from standard app functions.

If your phone is acting up or you’re preparing to sell it, these codes help you wipe the slate clean.

This is the most critical code for any mobile user. It displays your 15-digit International Mobile Equipment Identity