Fixed: My iTel A80 (A671L) DIAG Port Wasn’t Working — Here’s How I Got It BackHey, so just wanted to share something real quick in case it helps someone out.A couple of days ago, I was trying to fix up an old iTel A80 (model A671L — yeah, confusing name, I know). Anyway, the phone was powering on fine, but I couldn’t get DIAG mode to work no matter what I tried. Tools wouldn’t detect it, and I was stuck.After messing around for a while (and almost giving up), I found a method that actually worked. It’s pretty simple once you know what you’re doing. Here's what I did.The ProblemBasically, if the DIAG port isn’t showing up on your PC, you can’t do things like IMEI repair, QCN backup, or SIM unlocks. In my case, I had flashed the phone earlier, and something clearly went wrong.Turns out, a few system partitions got corrupted, and anti-crack protection might’ve blocked some functions.What You’ll NeedYou don’t need anything fancy — just the basics:A Windows computerUSB cable (decent quality)Pandora Tool (free to use)Two files:A dump file to fix the broken partitionsThe stock firmware (ROM) for the A80Step 1: Restoring the Dump FileThis is the part that brought the DIAG port back to life for me.📥 Dump File Download👉 Click hereHere’s how I did it:First, I turned off the phone completely.Booted it into EDL mode (Google it if you’re unsure — a test point might be needed).Plugged it into my PC.Opened Pandora Tool and loaded up the dump file.Hit restore — waited a few minutes.Once it finished, the phone still booted — and boom — DIAG mode was back when I checked on the PC.Step 2: Flash the Stock ROM — but CarefullyJust to clean things up, I decided to flash the original firmware. But there’s a catch here: if you flash over the wrong partitions, you could mess up your IMEI or network settings.📥 Stock ROM Download👉 Click hereBefore flashing, make sure you SKIP these partitions:NV_LTETDFSTRANSECHere’s what I did:Loaded the firmware in Pandora.Unchecked those three partitions.Started the flash.Waited it out and rebooted the phone.The Result?Phone booted up perfectly. DIAG port worked like normal, and the phone was smooth. No signal issues, no IMEI loss. Everything just… worked.Quick TipsInstall Qualcomm drivers if your PC doesn’t recognize the phone.Use a short, good-quality USB cable.Don’t panic if Pandora freezes for a second — just be patient.In ShortIf you’ve got an iTel A80 (A671L) with a broken DIAG port, don’t give up on it. This method works. It’s just two main steps:Restore partitions with a dump file.Flash the stock ROM, but skip a few sensitive partitions.Took me under 30 minutes from start to finish once I had the files.