Nokia 105 4G VoLTE, Enclosures, and Crimpers: A Field Technician's Honest Guide

Let me start with the answer that nobody wants to hear: it depends. I've been deploying Nokia network equipment and fixing my own field mistakes for eight years, and the three questions I keep getting asked—can the Nokia 105 4G use VoLTE, should I build my own enclosures, and how do I use a crimper—are not actually separate questions. They all come down to matching the tool to the situation.

There's no single answer because you're probably in one of three situations. You're either picking a backup phone and need VoLTE to work. You're planning equipment enclosures for a facility. Or you're standing in front of an open cabinet with a spool of Ethernet cable and a crimper in your hand. I've made expensive mistakes in all three, and now I run the checklist that prevents my team from repeating them.

In the past eight years, I've personally made and documented 23 significant mistakes, totaling roughly $12,000 in wasted budget. Now I maintain our team's checklist. This article is the part of that checklist I wish someone had handed me on day one.

Scenario 1: Can the Nokia 105 4G Use VoLTE?

Short answer: yes. The Nokia 105 4G is a 4G feature phone with VoLTE support built into the hardware. That's not the part that gets you in trouble.

The part that gets you in trouble is your carrier. VoLTE is not like FM radio. A phone can be capable of VoLTE on paper, but the network operator still has to recognize the phone, accept its IMEI, and allow it on the voice-over-LTE service. Model variants of the same phone can be approved on one operator and rejected on another.

According to Nokia's support pages (nokia.com/support), VoLTE availability depends on the device variant and the operator network. Verify current compatibility with your carrier before buying.

In 2023, our company ordered 40 Nokia 105 4G units as backup phones for a manufacturing site. The spec sheet said 4G VoLTE, so I skipped the carrier check. Two weeks later, half the site couldn't make calls. The carrier didn't support VoLTE on that exact variant, and the phone couldn't fall back to 3G because that network was already gone. $890 of hardware and two days of field reconfiguration, gone.

Why does this matter? Because a backup phone that can't make calls is worse than no phone at all. If you're buying one for yourself, check the carrier's device compatibility page before you buy. If you're buying in bulk, get the exact model variant and IMEI approved in writing before you commit. You're gonna want to keep the model number from the box, because that's what the carrier asks for.

If you're coming from the Nokia 2006 era, I get it. Those phones were built like small tanks and lasted forever. But a 2006 device doesn't support VoLTE because LTE barely existed. In 2025, using one as your only phone means gambling on a 2G or 3G network that may already be switched off. The Nokia 105 4G isn't your 2006 brick; it's a modern phone that happens to look like one.

Honestly, I've never fully understood why some carriers say yes and others say no on the same handset. It feels like business policy, not engineering. If someone has a clear answer, I'd love to hear it. My job is just to check before ordering.

Once we put the carrier check on the list, it worked for us in a mid-size B2B environment with predictable inventory. If you're a consumer buying a single device, the calculus is different—you can just buy from the carrier's list.

Scenario 2: Choose Enclosures Before Manufacturing Starts

The second question I get is about enclosures. Should you buy a standard cabinet or have custom sheet metal manufactured? My short answer: for most indoor deployments, buy standard. Spending manufacturing dollars on a custom metal box because you don't like a 10 cm gap on the side is how budgets disappear.

Here's the counterintuitive part: people assume custom manufacturing is more professional. In my experience, it's just more risk. A standard 19-inch enclosure follows EIA-310, and every rack-mount device is designed around that. The standard is your friend. Custom is only worth it when you have a real constraint, like outdoor weather ratings, security lockdown, or unusual dimensions.

According to EIA-310, the standard 19-inch rack mounting width is 482.6 mm. If your enclosure doesn't match that, you're not being clever; you're creating a future problem.

In September 2022, I approved a custom enclosure order for 120 pieces. Every single one came back with the wrong cable-gland cutout. The manufacturer had used our 2D drawing, the gland knockout was 5 mm too small, and we didn't catch it because we approved the drawings instead of building a first article. 120 pieces, about $3,200, straight to the trash. Now the checklist says: if you're manufacturing enclosures, always request a first article and physically test the cable gland before production.

For outdoor enclosures, the rule flips. Don't buy a cheap weather-resistant box that isn't rated for your actual temperature range. I can only speak to indoor networks, but I've seen outdoor enclosure failures caused by plastic that wasn't rated for heat. If you're dealing with outdoor industrial environments, talk to someone who does that daily.

What does 5 mm matter? Everything when the gland doesn't fit.

Scenario 3: How to Use Crimper (Without Creating a 3 A.M. Ticket)

How to Use Crimper sounds like a beginner question, but the failures I've caused prove it isn't. Strip the cable jacket, untwist the pairs, arrange them in your chosen wiring order (T568A or T568B—write it down), cut the wires flat, insert them into an RJ45 connector, and crimp. That sounds simple. It isn't.

The most common failure I've personally caused is stopping the crimp halfway because it felt tight. You need one full, clean squeeze. Then pull on the connector lightly. If the wires move, you crimped it wrong. Then test the cable before pulling it into the enclosure. A cable tester is not optional.

Real talk: most of my tickets didn't start with bad hardware. They started with skipped steps.

In 2021, I had to terminate 24 cables for a new manufacturing line. The numbers said I could finish before lunch. My gut said the crimper felt wrong—the handle wasn't clicking cleanly. I kept going anyway because the spreadsheet said I was on schedule. The tester later caught three cables with split pairs, and because I hadn't put strain boots on before the connectors, all three were wasted. $150 in connectors and two hours of panic later, I learned the lesson: trust the feel of the tool, and test every run before you commit.

This applies to standard indoor cabling. If you're doing outdoor or plenum-rated cable, the connectors and crimpers are different. I don't want to pretend one technique covers it all.

The uncomfortable advice is that your crimper can be perfect and your cable ends still fail if you don't test. Testing is the actual skill.

How to Tell Which Scenario You're In

Here's how to decide quickly. If there's a phone in your hand and someone is asking about calls, you're in Scenario 1. Check the exact Nokia model variant and the carrier's VoLTE allowlist. If you're standing in front of a rack or a future network closet, you're in Scenario 2. Start with a standard EIA-310 enclosure, and only go custom when you can name the real requirement. If you're holding a spool and a crimper, you're in Scenario 3. Strip, arrange, crimp, test.

There's no universal answer to those three questions, and that's okay. The point is to know which question you're actually asking. The product specs matter. The carrier matters. The enclosure environment matters. The crimp tester matters. Skip those checks, and you can end up with a box of custom enclosures, 40 backup phones that can't make calls, or three cables that fail at 3 a.m. I've done all three with my own name on the work order.