Signed IPSW files can be restored via iTunes. Unsigned IPSWs cannot currently be restored via iTunes.
    
        
            
                
                    | ✗ | audioOS 26.0 (23J353) | 15th September 2025 | 3.84 GB | AudioAccessory5,1_26.0_23J353_Restore.ipsw | 
            
                
                    | ✗ | audioOS 18.6 (22M84) | 29th July 2025 | 3.68 GB | AudioAccessory5,1_18.6_22M84_Restore.ipsw | 
            
                
                    | ✗ | audioOS 18.5 (22L572) | 12th May 2025 | 3.68 GB | AudioAccessory5,1_18.5_22L572_Restore.ipsw | 
            
                
                    | ✗ | audioOS 18.4.1 (22L261) | 16th April 2025 | 3.68 GB | AudioAccessory5,1_18.4.1_22L261_Restore.ipsw | 
            
                
                    | ✗ | audioOS 18.4 (22L255) | 31st March 2025 | 3.68 GB | AudioAccessory5,1_18.4_22L255_Restore.ipsw | 
            
                
                    | ✗ | audioOS 18.3 (22K557) | 27th January 2025 | 3.73 GB | AudioAccessory5,1_18.3_22K557_Restore.ipsw | 
            
                
                    | ✗ | audioOS 18.2 (22K155) | 11th December 2024 | 3.73 GB | AudioAccessory5,1_18.2_22K155_Restore.ipsw | 
            
                
                    | ✗ | audioOS 18.1 (22J580) | 28th October 2024 | 3.58 GB | AudioAccessory5,1_18.1_22J580_Restore.ipsw | 
            
                
                    | ✗ | audioOS 18.0 (22J357) | 16th September 2024 | 3.58 GB | AudioAccessory5,1_18.0_22J357_Restore.ipsw | 
            
                
                    | ✗ | audioOS 17.6 (21M71) | 29th July 2024 | 3.44 GB | AudioAccessory5,1_17.6_21M71_Restore.ipsw | 
            
                
                    | ✗ | audioOS 17.5 (21L569) | 13th May 2024 | 3.45 GB | AudioAccessory5,1_17.5_21L569_Restore.ipsw | 
            
                
                    | ✗ | audioOS 17.4 (21L227) | 7th March 2024 | 3.44 GB | AudioAccessory5,1_17.4_21L227_Restore.ipsw | 
            
                
                    | ✗ | audioOS 17.3 (21K646) | 22nd January 2024 | 3.38 GB | AudioAccessory5,1_17.3_21K646_Restore.ipsw | 
            
                
                    | ✗ | audioOS 17.2 (21K365) | 11th December 2023 | 3.38 GB | AudioAccessory5,1_17.2_21K365_Restore.ipsw | 
            
                
                    | ✗ | audioOS 17.1.1 (21K82) | 8th November 2023 | 3.34 GB | AudioAccessory5,1_17.1.1_21K82_Restore.ipsw | 
            
                
                    | ✗ | audioOS 17.1 (21K69) | 25th October 2023 | 3.34 GB | AudioAccessory5,1_17.1_21K69_Restore.ipsw | 
            
                
                    | ✗ | audioOS 17.0 (21J354) | 18th September 2023 | 3.33 GB | AudioAccessory5,1_17.0_21J354_Restore.ipsw | 
            
                
                    | ✗ | audioOS 16.6 (20M73) | 24th July 2023 | 3.03 GB | AudioAccessory5,1_16.6_20M73_Restore.ipsw | 
            
                
                    | ✗ | audioOS 16.5 (20L563) | 18th May 2023 | 3.03 GB | AudioAccessory5,1_16.5_20L563_Restore.ipsw | 
            
                
                    | ✗ | audioOS 16.4.1 (20L498) | 12th April 2023 | 3.03 GB | AudioAccessory5,1_16.4.1_20L498_Restore.ipsw | 
            
                
                    | ✗ | audioOS 16.4 (20L497) | 27th March 2023 | 3.03 GB | AudioAccessory5,1_16.4_20L497_Restore.ipsw | 
            
                
                    | ✗ | audioOS 16.3.2 (20K672) | 13th February 2023 | 2.96 GB | AudioAccessory5,1_16.3.2_20K672_Restore.ipsw | 
            
                
                    | ✗ | audioOS 16.3.1 (20K661) | 6th February 2023 | 2.97 GB | AudioAccessory5,1_16.3.1_20K661_Restore.ipsw | 
            
                
                    | ✗ | audioOS 16.3 (20K649) | 24th January 2023 | 2.97 GB | AudioAccessory5,1_16.3_20K649_Restore.ipsw | 
            
                
                    | ✗ | audioOS 16.2 (20K362) | 13th December 2022 | 2.88 GB | AudioAccessory5,1_16.2_20K362_Restore.ipsw | 
            
                
                    | ✗ | audioOS 16.1 (20K71) | 24th October 2022 | 2.85 GB | AudioAccessory5,1_16.1_20K71_Restore.ipsw | 
            
                
                    | ✗ | audioOS 16.0 (20J373) | 12th September 2022 | 2.82 GB | AudioAccessory5,1_16.0_20J373_Restore.ipsw | 
            
                
                    | ✗ | audioOS 15.6 (19M65) | 20th July 2022 | 2.71 GB | AudioAccessory5,1_15.6_19M65_Restore.ipsw | 
            
                
                    | ✗ | audioOS 15.5.1 (19L580) | 25th May 2022 | 2.67 GB | AudioAccessory5,1_15.5.1_19L580_Restore.ipsw | 
            
                
                    | ✗ | audioOS 15.5 (19L570) | 16th May 2022 | 2.67 GB | AudioAccessory5,1_15.5_19L570_Restore.ipsw | 
            
                
                    | ✗ | audioOS 15.4.1 (19L452) | 31st March 2022 | 2.66 GB | AudioAccessory5,1_15.4.1_19L452_Restore.ipsw | 
            
                
                    | ✗ | audioOS 15.4 (19L440) | 14th March 2022 | 2.66 GB | AudioAccessory5,1_15.4_19L440_Restore.ipsw | 
            
                
                    | ✗ | audioOS 15.3 (19K547) | 26th January 2022 | 2.63 GB | AudioAccessory5,1_15.3_19K547_Restore.ipsw | 
            
                
                    | ✗ | audioOS 15.2 (19K52) | 13th December 2021 | 2.62 GB | AudioAccessory5,1_15.2_19K52_Restore.ipsw | 
            
                
                    | ✗ | audioOS 15.1.1 (19J582) | 3rd November 2021 | 2.58 GB | AudioAccessory5,1_15.1.1_19J582_Restore.ipsw | 
            
                
                    | ✗ | audioOS 15.1 (19J572) | 25th October 2021 | 2.58 GB | AudioAccessory5,1_15.1_19J572_Restore.ipsw | 
            
                
                    | ✗ | audioOS 15 (19J346) | 20th September 2021 | 2.58 GB | AudioAccessory5,1_15.0_19J346_Restore.ipsw | 
            
                
                    | ✗ | audioOS 14.7 (18M60) | 19th July 2021 | 2.38 GB | AudioAccessory5,1_14.7_18M60_Restore.ipsw | 
            
                
                    | ✗ | audioOS 14.6 (18L569) | 24th May 2021 | 2.37 GB | AudioAccessory5,1_14.6_18L569_Restore.ipsw | 
            
                
                    | ✗ | audioOS 14.5 (18L203) | 26th April 2021 | 2.37 GB | AudioAccessory5,1_14.5_18L203_Restore.ipsw | 
            
                
                    | ✗ | audioOS 14.4 (18K802) | 26th January 2021 | 2.29 GB | AudioAccessory5,1_14.4_18K802_Restore.ipsw | 
            
                
                    | ✗ | audioOS 14.3 (18K563) | 15th December 2020 | 2.29 GB | AudioAccessory5,1_14.3_18K563_Restore.ipsw | 
            
                
                    | ✗ | audioOS 14.2.1 (18K75) | 7th December 2020 | 2.25 GB | AudioAccessory5,1_14.2.1_18K75_Restore.ipsw | 
            
                
                    | ✗ | audioOS 14.2 (18K60) | 5th November 2020 | 2.26 GB | AudioAccessory5,1_14.2_18K60_Restore.ipsw |