How to Warm Up a LinkedIn Account in 2025: The Complete Guide

If you plug a freshly created LinkedIn account into Expandi, Lemlist, HeyReach or any automation tool on day one, there's a 70%+ chance it gets restricted within two weeks. The fix isn't a better proxy or a smarter sequence — it's warming up the account like a real human would for at least 21–28 days before any automation touches it.

This guide is the exact warm-up protocol we use at AccountStars to ship hundreds of verified LinkedIn accounts every month with a sub-3% restriction rate. Steal it.

Why warming up matters more than ever in 2025

LinkedIn's trust system scores every account on hundreds of behavioural signals: session length, mouse movement, time between actions, IP reputation, device fingerprint consistency, network density, and content engagement patterns. A brand-new account scores near zero. Until you raise that score, every connection request and InMail you send will be weighed against a "is this a bot?" threshold.

Warming up is the process of generating positive signals slowly so the account graduates from "suspicious newbie" to "trusted member" before you ever ask the platform to do something at scale.

Prerequisites: get the foundation right first

Before day 1 of warm-up, you need:

• A real, ID-verified account — not a generated profile. LinkedIn now requires government-ID verification for most accounts.
• A dedicated residential or mobile proxy in the account's claimed country. Never share an IP across accounts.
• An anti-detect browser (Multilogin, GoLogin, Dolphin, Octo) with a stable, unique fingerprint per account.
• A complete profile: photo, banner, headline, "About", at least 3 work entries, education, and 5+ skills before you log in for the first time on automation infrastructure.

If any of these are missing, the warm-up below will not save you.

The 28-day warm-up schedule

Treat each "session" as 15–25 minutes inside the anti-detect browser. Do everything manually during warm-up. No automation, no API calls.

Week 1 (days 1–7): existence signals

• 1 session per day, ideally at the same hour in the account's local timezone.
• Browse the feed for 5–8 minutes. Scroll, pause, hover. Don't open every post.
• React to 2–4 posts per session (mix Like / Insightful / Celebrate).
• Follow 2–3 companies related to the account's industry per day.
• Send 0 connection requests this entire week.
• Update one small profile field every 2 days (skill, certification, summary tweak) — shows the account is being maintained.

Week 2 (days 8–14): light social signals

• 1–2 sessions per day.
• Send 3–5 connection requests per day, only to 2nd-degree contacts with high mutual connection counts. Always include a personalised note.
• Comment on 1–2 posts per day — real comments, 1–2 sentences, not "Great post!".
• Accept incoming connection requests within 12–24 hours.
• Send 1–2 direct messages to people who accepted your request. Conversational, no pitch.
• Join 2–3 industry groups over the week.

Week 3 (days 15–21): content + outbound ramp

• Post your first piece of native content (text post, 100–250 words) on day 15. Aim for one more post by day 20.
• Increase to 8–12 connection requests per day, still personalised, still 2nd-degree.
• 3–5 thoughtful comments per day, including replies to people who comment on your post.
• If your plan includes Sales Navigator: open it on day 17, run 2–3 searches, save 1 lead list. Don't export.
• Endorse 5–10 connections' skills across the week.

Week 4 (days 22–28): pre-automation simulation

• Push to 15–20 connection requests per day manually.
• Send 5–10 follow-up messages per day to existing connections.
• Post a second native piece, share one external article with commentary.
• On day 28, run a manual "automation rehearsal": do a full hour of the exact actions your automation will perform — same volume, same timing — but click them yourself.
• If no warning banners or "unusual activity" prompts appear, the account is ready.

Day 29+: switching on automation safely

When you connect the account to your automation tool:

• Start at 50% of the tool's recommended daily limits for the first 7 days.
• Keep the anti-detect browser session warm in parallel — never let the account be "automation-only".
• Schedule activity to the account's claimed timezone, with a 9-hour active window and weekend dips.
• Add jitter: never send the same number of requests two days in a row.
• Maintain 1 manual session every 2–3 days indefinitely. This is the single biggest factor in long-term account health.

Safe daily limits after warm-up

Action	Free account	Sales Navigator
Connection requests / day	15–20	20–25
Direct messages / day	30–50	50–80
InMails / day	—	20–40 (credit-bound)
Profile views / day	80–120	150–250
Searches / day	30	100+

These are safe limits, not maximums. LinkedIn's official cap on connection requests is ~100/week, but real-world bans start well below that on under-trusted accounts.

7 warm-up mistakes that get accounts banned

1. Logging in from your own IP first. The account is now linked to you forever — kills proxy isolation.
2. Skipping the photo / banner / "About". Empty profiles are the #1 ban predictor.
3. Connecting on day 1. Even one request before the account has feed activity is suspicious.
4. Using generic notes. "Hi {firstName}, I'd like to connect" patterns are flagged by ML.
5. Running multiple accounts in the same browser profile. Cookie & fingerprint cross-contamination.
6. Sudden volume jumps. Going from 5 to 50 requests overnight is the classic ban trigger.
7. Ignoring incoming activity. Real users reply. Accounts that only send and never receive look like spam bots.

When it makes sense to skip warm-up entirely

28 days × multiple accounts × an operator who knows what they're doing is expensive. If you're scaling outbound and need volume now, the alternative is to rent already-warmed accounts that have been aged for 60–180 days, have real connection networks, and ship pre-loaded with proxy + anti-detect browser.

That's exactly what we do at AccountStars — every account on our platform has gone through the full warm-up protocol above, plus 30+ extra days of organic activity, before it touches your sequence.

FAQ

How long should I warm up a LinkedIn account?

21–28 days minimum. 45–60 days if you plan to run high-volume outreach (50+ connections/day equivalent).

Can I warm up a LinkedIn account in 7 days?

Technically yes, but expect a 30–50% restriction rate within the first month of automation. Not worth it for any serious campaign.

Do I need Sales Navigator during warm-up?

No. Activate Sales Navigator no earlier than day 14, and don't run searches with it before day 17.

What's the safest automation tool to use after warm-up?

Browser-based tools that mimic real clicks (HeyReach, Linked Helper, Dripify) are safer than cloud-based ones (Expandi, Waalaxy). The difference matters most in the first 30 days post-warm-up.