Sonim (SONM) 8-KMaterial Modifications to Rights of Security Holders

Exhibit 3.1

CERTIFICATE OF AMENDMENT TO THE

AMENDED AND RESTATED

CERTIFICATE OF INCORPORATION

OF SONIM TECHNOLOGIES, INC.

Sonim Technologies, Inc. (the “Corporation”), a corporation organized and existing under the General Corporation Law of the State of Delaware, hereby certifies as follows:

1. This Certificate of Amendment (the “Certificate of Amendment”) amends the provisions of the Corporation’s Amended and Restated Certificate of Incorporation, as amended to date, filed with the Secretary of State of the State of Delaware on May 14, 2019 (the “Amended and Restated Certificate of Incorporation”).

2. Article IV, Paragraph A of the Amended and Restated Certificate of Incorporation is hereby amended and restated in its entirety as follows:

“A. This Company is authorized to issue two classes of stock to be designated, respectively, “Common Stock” and “Preferred Stock.” The total number of shares which the Company is authorized to issue is 105,000,000 shares. 100,000,000 shares shall be Common Stock, having a par value per share of $0.001 and 5,000,000 shares shall be Preferred Stock, having a par value per share of $0.001.

Effective as of 5 p.m. Eastern Time on July 17, 2024 (the “Effective Time”), every ten (10) shares of Common Stock issued and outstanding prior to the Effective Time shall, automatically and without further action by the Corporation or the holders thereof, be combined and converted into one (1) share of Common Stock (the “Reverse Split”); provided, however, no fractional shares of Common Stock shall be issued in connection with the Reverse Split, and instead, the Corporation shall issue one (1) full share of post-Reverse Split Common Stock to any stockholder who would have been entitled to receive a fractional share of Common Stock as a result of the Reverse Split.”

3. This amendment was duly adopted in accordance with the provisions of Section 242 of the General Corporation Law of the State of Delaware.

4. All other provisions of the Amended and Restated Certificate of Incorporation shall remain in full force and effect.

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IN WITNESS WHEREOF, the Corporation has caused this Certificate of Amendment to be signed by Peter Liu, its Chief Executive Officer, this 15^th day of July, 2024.

[Signature Page to Certificate of Amendment]