If the police seized your phone, they may be able to examine its contents where the device was lawfully obtained and the examination forms part of a criminal investigation. Consent is not always required because the applicable power depends on how the phone was obtained. Do not delete material or guess at answers in interview. Obtain criminal defence advice promptly.
Why can the police take a mobile phone?
Under section 19 of the Police and Criminal Evidence Act 1984, a constable who is lawfully on premises may seize an item where there are reasonable grounds to believe it is evidence of an offence and seizure is necessary to prevent it being concealed, lost, altered or destroyed. Other search and seizure powers may also apply.
Voluntary extraction under the Police, Crime, Sentencing and Courts Act 2022 requires the user’s agreement, without undue pressure, and a written record. These provisions do not remove other lawful seizure or examination powers.
What could the police examine?
A forensic examination may identify messages, call information, photographs, videos, app data, internet activity, documents and location information. However, finding material on a phone does not automatically resolve who used the device, who wrote a message or what a conversation meant.
Authorship, attribution, continuity, context and the extraction method may all require careful review. Read more about mobile-phone attribution evidence and telephone and cell-site evidence.
How long can police keep my phone?
There is no single fixed period for every case. Section 22 of PACE permits lawfully seized property to be retained for as long as necessary in all the circumstances, including for examination, investigation or use as evidence. Timing depends on the device, encryption, data volume and the investigation stage.
A criminal defence solicitor can request an update, ask why continued retention is considered necessary and seek return of the device where appropriate.
What should I do if police seized my phone?
- Ask for the seizure or property record and the investigating officer’s details.
- Do not delete, reset or remotely alter the phone or connected accounts.
- Get advice before an interview or before responding to requests for consent or a passcode.
- Tell your solicitor about messages, dates or contacts that may provide important context.
Can phone messages be challenged?
Yes. The CPS digital-material guidance says investigators should pursue reasonable lines of enquiry and use a staged, proportionate approach. A defence review may examine relevance, attribution, missing context, integrity and disclosure.
Frequently asked questions
Can police search my phone without my consent?
Sometimes. Consent rules apply to voluntary extraction, but a device lawfully seized under another power may be examined without voluntary agreement. The precise legal basis should be checked.
Does a message on my phone prove I wrote it?
Not necessarily. Device possession, user attribution, authorship and context are separate evidential questions.
Ghafar Khan, Criminal Defence Solicitor and High Court Advocate
24/7 mobile: 07500 556587
Email: notguilty@ghafarkhan.com
Acting throughout England and Wales · #CALLGFA
This article provides general information only and is not legal advice for any individual case.