Do I need to use a new device or is anti-detect browser with static residential proxy enough?

My personal facebook acc is restricted, so I bought a new one from an agency.

Do I NEED to use a different device to log into the new profile (incl new BM and Ads Manager), or is using a anti-detect browser with static residential proxy enough in order to minimize risk?
In most cases, you don’t need a new physical device. A clean anti-detect browser with a static residential proxy usually provides enough separation if profiles, cookies, and fingerprints are properly isolated. If you’re unsure, testing the setup with a free tier is an easy way to see how well it holds before scaling.
 
If you’re talking about keeping the new account clean, an anti‑detect browser + solid static resi is already 90% of the job.

FB cares way more about fingerprints, cookies, and IP history than the physical device you’re holding.
 
My personal facebook acc is restricted, so I bought a new one from an agency.

Do I NEED to use a different device to log into the new profile (incl new BM and Ads Manager), or is using a anti-detect browser with static residential proxy enough in order to minimize risk?
Using only an anti-detect browser and a stable residential IP address is sufficient; changing devices is not mandatory if you maintain one profile = one environment = one fixed IP address.
 
Using tools to bypass Facebook restrictions (anti-detect browsers, proxies, bought profiles) is high risk and often leads to faster bans. The safest route is staying compliant: recover the original account if possible, use legitimate admins or an agency-owned BM, and operate only with real profiles and devices—there’s no reliable “setup” that guarantees safety.
 
My personal facebook acc is restricted, so I bought a new one from an agency.

Do I NEED to use a different device to log into the new profile (incl new BM and Ads Manager), or is using a anti-detect browser with static residential proxy enough in order to minimize risk?
Using an anti detect browser with a static residential proxy is enough if you set them up correctly.
 
New device will help for sure if there is some leakage. I would worry more about residential proxy, as their success rates dropped significantly in 2026. I personally run 20+ meta accounts and I can tell that mobile IPs works bets and don't go for cheap options with burned IP pools. If you want to run something long term better to buy few good IPs then bunch of shitty ones.

I personally use adsp antidetect with iOS fingerprint on (iOS most trusted), each meta account is verified with non-voip number (gives more trust)

I attach voidmob dedicated device mobile proxy, you get clean IP, dedicated DNS that matches carrier, and you own/control IP.

I change proxy device p0f fingerprint to iOS as well which gives even more trust TCP and network wise.

Each account is warm, verified with stable IP that mimics real user best. Pricey, but unbeatable setup.

Consider it.
hi what mobile proxy service u use ?
 
Using an anti-detection browser and a static residential proxy can reduce risk, but ensure the new account is active consistently and avoid suspicious behavior, such as logging in from multiple locations in a short period of time.
My personal facebook acc is restricted, so I bought a new one from an agency.

Do I NEED to use a different device to log into the new profile (incl new BM and Ads Manager), or is using a anti-detect browser with static residential proxy enough in order to minimize risk?
 
I think you just need to use a browser that doesn't detect detection.
 
Whether or not new equipment is needed will depend on the requirements of your specific platform and workflow; simply changing equipment does not guarantee avoidance of detection mechanisms if other unusual signals are detected.
 
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